Transcript
Index
Numbers
RI
AL
568A wiring standard, 279–280 568B wiring standard, 279–280
Active Directory (AD), 755, 921 active hubs, 286 active matrix LCD screens, 187 active matrix OLED (AMOLED) screens, 191 active partition, 751 ad hoc networks, 529 adapter cards. See expansion cards adapters cell phone, 123, 253 in cooling air paths, 232 display, 205 DVI-to-HDMI, 150 DVI-to-VGA, 148 Ethernet over power, 288–289 HDMI-to-VGA, 151 laptop USB, 420 PCI, 13 PS/2-to-USB, 147 USB-to-Ethernet, 121, 122 address autoconfiguration, 318–319 administration, network in client-server model, 260 name and password, 376 in peer-to-peer systems, 259 Quality of Service (QoS) strategy, 384–385 Registry edit restriction by, 732 rootkit attacks as, 910 security compliance by, 920 shares by, 754, 920 static IP addressing by, 315 administration, Windows A+ exam topics, 707–708 best practices, 868–873 command prompt diagnostics, 721–730 Control Panel interface, 709–721 disk management, 749–752 MMC tools, 739–746 overview of, 707–709
CO
PY
RI
GH
MA
TE
D
A+ certification. See also test topic by name Cisco series, 317 CompTIA Network+ Study Guide (Lammle), 318 Mobility+ test, 1140 Network+ test, 249, 317 Security+ test, 896, 1128 Absolute Software, 29 AC adapters for laptops, 426 as power supplies, 107–108 accelerometers, 1023 acceptable use policies (AUPs), 905 access control list (ACL) for firewall config., 288, 383, 1222 for LDAP changes, 304 NTFS tracking in, 917, 943 access points, network antenna placement, 941 defined, 285 installing wireless, 371–373 access rosters, 897 accidents, 1168–1170 Account Lockout Policy, 806–807, 842 account management, 921 Account Policies, 806, 841–842 accountability, 1197 Action Center applet security settings in, 1127 Windows, 720, 767 Windows 7, 803–804 active cooling, 58
TE
A
1270
Administrator account – antivirus software
practice test on, 757–760, 1233, 1259 Task Manager tool, 734–739 Windows 7, 804–810 Windows Vista, 840–846 Administrator account, 916 Adobe, 526 Adobe Acrobat, 530 Advanced Attributes options, 695–697 Advanced Configuration Power Interface (ACPI), 748 Advanced Encryption Standard (AES), 340 Advanced Power Management (APM), 748 Advanced Sharing, 920 Advanced tab (Control Panel), 718–720 Advanced Technology Extended (ATX) motherboards, 6, 7, 69 advanced video resolutions, 207–211 adware, 912 Aero interface Windows 7, 787 Windows Vista, 830, 856–857 AFP (Apple Filing Protocol), 302 air filters, 1164 air flow, 57, 1174 airborne particles, 576 airplane mode, 409, 602, 1039 AirPrint, 545 alcohol, denatured isopropyl, 1175 alerts government-issued, 1033–1034 from hardware devices, 579 operating system, 579 security, 1129 system failure, 719 alkaline batteries, 1183 All Programs submenu, 678–680 allocation units, 76–77 Allow vs. Deny, 918 alpha connectors, 142–143 alternating current (AC), 99 Amazon Kindle, 472 Amazon.com, 958 AMBER alerts, 1033 ammonia, 556 ammonium hydrogen sulfate, 1179–1181 amperage, 1152 analog interface, 185
analog sound jacks, 136–137 Android devices airplane mode, 1040 app development, 1007 Bluetooth pairing, 1057–1067 connectivity troubleshoots, 602 disabling cellular data, 1052 email configuration, 1075–1078 Google Now, 1031–1033 keyboards onscreen, 1027–1028 market share, 1007, 1011–1012 mobile hotspots, 1039 mobile payment via, 488, 1036 passcode locks, 930, 931 phone locator app, 933, 934 service and repair to, 458 smart watches, 477 smartphones, 466–467 syncing, 1088–1089 touchscreen calibration, 1027 VPN configuration, 1054–1056 Wi-Fi connection, 1047–1050 Android operating system app downloads, 1018–1021 Google Cloud Print support, 549 for Kindle Fire, 472 OS emulators, 990 overview of, 1007–1009 on phablets, 470 practice test on, 1092–1096 on tablets, 463 Android Pay, 1036 Andy, 990 antenna placement, 941 antiglare filters, 189 anti-malware software layered applications, 900 for mobile devices, 1141 and NAT use, 318 overview of, 899–900, 1133 updates, 873 Windows Vista, 839 antispam programs, 1131 anti-spyware, 903 anti-static devices, 1156–1158, 1163 antivirus software layered applications, 900
anycast IPv6 addresses – audio setup
need for, 914 overview of, 899–900, 1132–1133 rogue, 1131 updates, 873 anycast IPv6 addresses, 320 app scanners, 1141 App Store, 871, 1014, 1015 Apple app development, 1007 Apple Watch, 477–479, 1036 Bonjour, 544 iOS. See iOS operating system iPad, 463, 1009 iPhone. See iPhone launcher options, 1029 mobile payment options, 1036 mouse, 158 multi-touch technology, 459 phablets, 470 remote backups, 934 security, 921 service and repair to, 458 Siri, 1030–1032 syncing devices, 1083–1087 Thunderbolt and, 155, 421–422 troubleshooting, 1111 Apple MacBook Pro, 155 Apple Pay, 488, 1036 AppleTalk, 302 appliances, firewall, 900 Application Layer defined, 267 in OSI diagram, 268 protocols, 301–306 proxy firewalls, 902 applications Android vs. iOS, 1012 backing up, 868–869 cloud-based, 982–983 crashing, 1130–1131 defined, 663 device compatibility, 464 downloading, 1014–1022 Google, 1007 Google Glass, 484 hard/software requirements, 222 icons for, 680–685
Launcher, 1030 load fails, 604 mobile device locator, 931–934 mobile payment, 1035 network sharing of, 258 password crackers, 908 pinned to Start menu, 765 printer compatibility with, 539–540 troubleshooting A+ exam topics, 1098 failures to start, 1114 symptoms, 1137–1139 tools, 1139–1142 typical issues, 1101 virtual printing, 526 Windows 8 access, 768–769 windows for, 685 apt (Advanced Package Tool), 873 archiving files, 695 ARM (Advanced RISC Machine), 765 armored virus, 914–915 ARP (Address Resolution Protocol), 301, 308 ARP spoofing, 918 artwork, digitizing, 166 aspect ratio, 209 asymmetric DSL (ADSL), 344, 345–346 Asynchronous DRAM (ADRAM), 45 AT connector, 100–101, 145 AT&T, 283 ATI Crossfire, 231 ATSC (Advanced Television Systems Committee), 209 ATSC 480i/480p, 210 ATSC 720p, 210 attributes, file, 695 ATX power connectors 12V 2.1 PCIe connector, 105 12V 2.x connector, 104 12V connector, 102, 103 12V P4 connector, 104 defined, 23 audio jacks, 31 audio setup for audio/video editing, 226 for gaming, 231–232 for home theater PCs, 234
1271
1272
audio/video editing workstations – BlackBerry
laptop adjustment keys, 408 speakers, 174 surround sound channels, 136–137 audio/video editing workstations, 225–227 audio/video jacks, 132–133 Audit Policy, 807 auditing, 902 augmented reality (AR), 482 authentication of users, 754–755, 833, 920 authentication server, 970–971 Authenticator app, 935 auto duplexing, 815–816 Automatic Private IP Addressing (APIPA) defined, 318–319 for NIC setup, 365 troubleshooting issues with, 633 autorun, disabling, 914–915
B back end computer, 251 Backblaze, 591 Background tab, 673 backlight displays faulty, 599 LCD, 429 LED, 212 back-off times, 332 backside bus (BSB), 10 Backup utility, 753, 873 backups defined, 1083 drive, 753 home data, 236 laptop devices for, 406 Linux and Mac OS, 868–869 mobile security, 1141 for Registry restores, 732 remote, 934 and screen lock wipes, 930 tape, 89 badges, ID, 897, 898 barcode readers, 165–166 bare metal hypervisor, 986 baseband frequency, 157 baseband OS, 1042 baseband update, 1042 Bash shell, 878
basic rate interface (BRI), 348 basic storage, 751 batteries calibrating, 425 chargers/packs, 491 laptop Li-ion and NiMH, 1183 swollen battery, 597–598 troubleshooting, 596 types of, 424–425 mobile device, 1138 recycling, 1183 BCD, 776, 797, 835 BD-R discs, 85 BD-RE discs, 85 BD-ROMs, 79, 80–81, 85 bearer (B) channel, 348 beep code, 580 behavior, professional, 1196–1202 BellSouth, 464 benign viruses, 1133 beta connectors, 143 bias voltage, 521 binary system, 309–310 biometric devices, 167, 898 BIOS (basic input/output system) ACPI support, 748 boot sequence, 581 chip overview, 24–26 controlling onboard NIC, 865 as firmware routine, 23 flashing the BIOS how to, 27–28 for laptops, 446 upgrades via, 581 POST diagnostics, 579–580 POST process, 26–28 troubleshooting, 1118 video memory sharing, 428 BIOS boot screens, 27 BitLocker encryption by, 26, 921 full drive encryption, 934–935 To Go, 921, 934–935 Windows 7, 789 Windows Vista, 831 BlackBerry decline of, 468–469
blackouts – cables
as early smartphone, 465–466 10 OS, 469 blackouts, 1171 Blåtand, King Harald, 253 Blue Screen of Death (BSOD), 584, 1110, 1111 Bluetooth connectivity mobile setups, 486–487, 1056–1069 troubleshooting, 602, 1137 defined, 253 devices, 253, 361 pairing Android/MacBook, 1057–1067 defined, 486 requirements, 1056 unintended, 1140 printer interface, 529 USB adapter, 420 versions and data rates, 360–361 Bluetooth Special Interest Group (SIG), 253 Blu-ray Disc Association, 85 HDMI cables for, 149 issue identification, 593 BNC connector, 274 bonding, 348 Bonjour, 544–545 Boot Camp, 877 boot partition, 776 boot sequence BIOS settings, 581 dual-booting, 719 for multiple OS access, 774 OS upgrades via, 773 restore point access in, 691 Safe Mode, 1111, 1116, 1124 secondary drive boot, 581–582 by system ROM, 50 troubleshooting failure to boot, 589, 1111–1113 loaders, 1117 missing config. data, 1117 Windows 7, 798–799 Windows 8, 776–777 Windows Memory Diagnostics, 810 Windows Vista, 835–836, 860
BOOT.INI, 1111 BOOTMGR troubleshooting via, 1111 Windows 7, 797 Windows 8/8.1, 776 Windows Vista, 835 BOOTREC command, 721–722 bot-herders, 919 botnet, 919 Box, 980 BRI ISDN lines, 348–349 bridges, 286 brightness and contrast ratios, 211–212 in projection systems, 193–194 broadband, 157, 341 brownouts, 1171 browser redirection, 1128 brute-force password attacks, 908 buffered (registered) memory modules (RDIMMs), 42–43 burners, storage disc, 82–85 bursting, 141 bus architecture, 9–10, 14 bus topology, 262, 265 button cell batteries, 1184 buttons, mouse, 159 BYOD, mobile device policies, 935
C cable locks, 431, 904, 944 cable modems, 346–348 cable testers, 636–637 cables common peripheral, 134–146, 178 comparison chart, 282 EMI-sensitive, 1160 floor guard for, 1165 network installing, 370–371 topology setup, 261, 264 troubleshooting, 631 types of, 272–284 pricing, 284 printer interface, 528–529 reseating, 1107
1273
1274
cache – clean installs
troubleshooting CPU/motherboard, 582–583 tools, 635–639 unplugged, 1106 video display, 146–157 cache DNS server checks to, 965 as key PC component, 16–19 for multicore processors, 223 CAD/CAM design workstations, 223–224 calibration, inkjet, 511, 532–534 caliper, paper, 551 Call of Duty series, 230 camcorders, 172–173 cameras digital, 172–173 smart, 476–477, 1141 campus software licenses, 1187 Canon, 513 capacitative touchscreens, 1026–1027 capacitators distended, 583 safety around, 586, 1152 capacitive interfaces, 175 CardBus PC card, 416 carriage belt, 508 carriage motor, 507 cartridges, printer refilling, 610 replacing, 552, 553 troubleshooting inkjet, 610–612 laser, 618, 619–621 cases, 398, 1154 cat command, 879 cathode ray tubes (CRTs), 189, 1153, 1164 CATV F connector, 157 CD burners, 82 cd command (Linux), 883 CD command (Windows), 722–723 cd cups command, 883 cd images command, 887 CD-R drives, 82 CD-ROM File System (CDFS), 750 CD-ROMs data storage in, 79 troubleshooting, 577, 593 CD-RW drives, 82, 593
cells, memory, 40 cellular adapters, 123 cellular data connections disabling, 1050–1052 mobile options, 1037–1044 cellular hotspots, 123, 354 Cellular WAN, 352 central processing unit. See CPU (central processing unit) centralized processing, 251 CERT website, 1129 certificate of destruction, 939 channels bonding, 335 configuring wireless router, 378–379 wireless communication, 333–335 characters per second (cps), 504 charge coupled devices (CCDs), 163 charging, EP print, 518–519, 614 charging corona, 518 Charms, 766 chemicals ammonium hydrogen sulfate, 1179–1181 MSDS sheets, 1177–1178 safe disposal of, 1185 spilled, 1169 chipsets chip creep, 577 cooling, 55, 58 ESD dangers, 1155 generational, 44 interface diagram, 12 memory, 40 overheated, 586 reseating, 1107 structure of, 32 types of, 10–12 CHKDSK command, 727–728 chmod command, 885 Chrome OS, 1008 Chromebooks, 395, 396 CIDR (classless inter-domain routing), 312–314, 317 CIFS (Common Internet File System), 302 circuit-level proxy, 902 Class A, B, and C networks, 311, 317 clean installs vs. upgrading, 769
cleaning – Computer Management Console
Windows 7, 792 Windows 8/8.1, 778 Windows Vista, 832, 833 cleaning computers, 1174–1177 in EP printing, 522–523, 614 inkjet cycle, 512 laptop keyboards, 600 solutions for printers, 554–555 client computers in network installations, 363 virtualization requirements, 987–991 virtualization setups, 990–991 workstations as, 256 client software, 256 client-server resource model, 260–261 clock frequency, 36, 45–48 closed source code, 664, 1013 cloud computing A+ exam topics, 953 administration of, 975–976 applications, 982–984 cloud features, 979 cloud types, 978–979 data storage Android options, 1088 iCloud, 1087 OneDrive, 765 providers of, 980 VPNs, 906–907 practice test on, 996–1001, 1240, 1266 printing from the cloud, 546–550 services, 976–978 virtualization-enabled, 227 clusters (allocation units), 74, 76–77 CMOS battery CR2032, 25 function of, 29 replacing, 444–446 Coax RG types, 273 coaxial cables networking via, 272–274 overview of, 156–157 RCA, 144 coaxial jacks, 133 code division multiple access (CDMA), 352 cold cathode fluorescent lamp (CCFL), 429 cold-swappable devices, 59
1275
collision, data, 269 Color Graphics Adapter (CGA), 206, 209 color palette post-VGA, 208, 211 pre-VGA standards, 205, 206 troubleshooting video, 594 VGA, 206, 207 combination touchscreens, 1029 COMMAND column, 882 command-line interface directory management, 723 IP address renewal, 644–645 Linux shell commands, 878–879 MS-DOS as a, 721 OS diagnostics via, 707–708, 721–730 troubleshooting prompt, 1125–1126 commands. See also commands by name for network troubleshoots, 639–652 OS diagnostic, 721–730 standard vs. administrator privilege, 730 commercial software, 1187 common access cards (CACs), 169 communications professionalism in, 1192–1196 protocols, 299 rules of network, 265–269 wireless channels of, 333–335 communications adapter, 120 communications ports, 422 community clouds, 979 companion virus, 915 compasses, 1024 compatibility, 1115 Compatibility Mode Windows, 681 Windows 7, 790 Windows Vista, 831 compatibility tools, 791 Component Services, 808, 845 component video, 151–153 composite video, 153 compressed air, 1164 compression, file, 696, 750 CompTIA Network+ Study Guide (Lammle), 318 Computer icon, 683 Computer Management Console, 739–740
1276
computer name – cylinders, hard drive
computer name, 716–717 computerized numerical control (CNC) systems, 224 concentrators, 143 concurrent software installs, 1187 confidentiality, 1199 connectivity devices, 285–288 connectivity issues, 630–635 connectors characteristics of, 126–134 coaxial, 274–276 common ports and, 135–136 F-connector, 276 fiber-optic, 283 keyboard and mouse, 146 network, 272–284 power. See power connectors RCA cable, 144 for syncing mobile devices, 484–486 twisted-pair, 278–279 types of, 113–115 USB 2.0 and 3.0, 140 video display cables and, 146–157 contention-based access, 269 contrast ratio, 189, 211, 213 Control Panel access via filenames, 711 configuring microphones, 173 Windows, 708, 709–721 Windows 7, 810–813, 817 Windows Vista, 847–852, 860 controllers, hard drive, 72 conversation, professional, 1192, 1195 converters, 156 cooling systems for gaming, 232 laptop, 400–401, 443 in projectors, 194 troubleshooting fixes by fail type, 586–587 mobile devices, 597, 1138 symptoms, 575–576 types of, 54–63 cooperative multitasking, 664 COPY command, 724–725 copying files/folders, 918 cordless phones, 1160 Core 2 processors, 35
Core Solo processors, 35 corona roller, 517 corona wire, 517 corporate policies, 1100 Cortana, 1030 cp command, 886 CPU (central processing unit) component matching, 36 cooling common methods, 59–63 fan, 55 in gaming setups, 232 enhancements gaming, 230–231 graphic and CAD/CAM, 223 virtualization, 228 identifying, 34 memory choices, 48–49 memory communication with, 11 overview of, 31–33, 63 practice test on, 65–68 processor sockets and, 19–22 troubleshooting fixes by fail type, 582–583 symptoms, 567–568, 575–582 virtualization requirements, 987 credit card readers, 491 crimpers, 635 crossover cable, 280 CSMA/CA access methods, 332 CSMA/CD standard, 269 CUDA (Compute Unified Device Architecture), 225 custom PC configurations A+ exam topics, 219–220, 221 audio/video editing workstations, 225–227 for gaming, 230–232 graphic and CAD/CAM workstations, 223–224 home server PCs, 236–241 home theater PCs, 232–235 list of common, 219–221 practice test on, 241–246, 1219–1221, 1252 customer relations, 1191–1203 CutePDF, 526 cylinders, hard drive, 74, 75–76
daisy chain networks – desktop computers
D daisy chain networks, 144, 155 daisy-wheel printers, 503–504 data backups. See backups cloud-sent, 976 data loss prevention (DLP), 915 destruction mobile wipes, 930–934 physical methods, 935–939 drives, 226 intercept attacks, 909 non-cellular vs. cellular use, 1037 privacy, 1199 sensitive, 1189–1191 synchronization, 1082 third-party recovery, 593 VPN tunneling of, 906 data link layer bridge work at, 286, 287 defined, 267 in OSI diagram, 268 data rates Bluetooth, 360–361 cable modem, 346–347 dial-up, 342 DSL, 344 Ethernet standards, 357 for expansion slots, 13 FireWire cable, 143 4G vs. 3G, 353 HDD speeds, 77 module throughput and, 45–48 near field communication, 487–488 NIC, 271 optical drive, 82 PCIe, 15, 16 QoS strategy to aid, 385 satellite, 350–351 Thunderbolt interface, 155 troubleshooting slow, 634 Data Source Administrator Windows 7, 808–809 Windows Vista, 845, 846 databases, antivirus, 1133 Date And Time applet, 712 daughterboards, 400
1277
DC adapters, 426 DC Power Supply (DCPS), 516 DDR memory slots, 18 DDR SDRAM, 46 DDR2/DDR3 SDRAM, 47–48 decryption, 604 dedicated servers, 255, 956 defaults accounts, 914 changing, 914, 940, 942 default allow, 383 default deny, 288, 383 masks, 317 Defender, Windows Windows 7, 790, 799 Windows Vista, 831, 838 defragmenting disks function of, 753–754 how to, 1120–1122 importance of, 871 Windows 7, 1122 degaussing, 938 DEL command, 723 Dell Latitude C640, 435 Dell Streak 5, 470 demilitarized zone (DMZ) authentication servers in, 971 defined, 288, 382 and server placement, 956 three-pronged firewalls, 957 denial of service (DoS) attacks, 920 Deny vs. Allow, 918 Department of Defense (DOD) model, 300–301 Department of Defense (DOD), U.S., 473, 474 Deployment Toolkit, 773 desktop computers. See also personal computers (PCs) Bluetooth pairing with, 1056 LCD screens, 185 restart to troubleshoot, 1107 software development, 1042 vs. laptops expansion slots, 12 hard drives, 404 portability issue, 368 power supplies, 107
1278
desktops – display devices
pros and cons, 396–398 SODIMM chips, 402–403 wireless card installation, 368 workstations as, 256, 257 desktops cloud sync to, 981 multiple computer, 874 virtual, 988 Windows icon, 684 overview of, 671–674 remote connection to, 720 destruction, data, 935–939 developing, EP print, 520–521, 614 developing roller, 521 device connector types, 127 Device Manager tool, 228, 739 DHCP (Dynamic Host Configuration Protocol) defined, 302 enabling, 615 function of, 314–316 scopes, 961 DHCP DISCOVER broadcast, 962 DHCP REQUEST broadcast, 962, 963 DHCP servers configurations without, 365 enabling, 377 function of, 960–964 TCP/IP config. via, 962 wireless routers as, 367 dial-up connections, 341, 342 dictionary attacks, 909 die (silicon wafer), 19 digital cameras, 172–173 digital interface, 185 digital rights management (DRM), 157, 1186 digital security, 899–905 digital/analog sound in/out, 135 digitizers, 166–167, 430 digitizing tablets, 166 DIMM (dual inline memory module) buffered and unbuffered, 42–43 overview of, 50–53 types of, 16–17 DIR command, 728–729 direct current (DC), 99
directories for file organization, 692 Linux, 883–884 NTFS permissions, 918–919 security of, 903–905 direct-sequence spread spectrum (DSSS), 338 disable execute bit, 38 discs burning storage, 82–85 Linux/Mac OS access to, 877 repairing, 1119–1120 Disk Defragmenter, 753–754 disk management Disk Management utility, 751–752 filesystems and, 749–751 overview of, 749 Disk Management utility managing drives, 94, 751 mapping drives, 754 disk mirroring (RAID 1), 88, 592 disk striping (RAID O), 87, 227 DISKPART command, 726, 774 disks defragmenting, 753–754, 871 Linux/Mac OS tools, 874 management of, 94, 749–752 prepping for storage, 749–752 display adapters, 205 display devices A+ exam topics, 183 connectors for, 178 environmental effects on, 212 e-reader, 471–472 for gaming, 231 as input/output devices, 174 laptop, 426–431, 440 practice test on, 213–217, 1217, 1249 safe disposal of, 1184–1185 safety around, 1153, 1157 settings adjustment, 195–204 troubleshooting failed printer, 624 multiple monitors, 1118 symptoms, 569 for video issues, 598–599 types of, 184–194, 212
DisplayPort – DVI-to-VGA adapter
using multiple for audio/video editing, 225 Dual View, 202 settings for, 202–204, 217 video issues, 594 DisplayPort, 153–154, 421 disposal of equipment, 1177–1186 distended capacitors, 583 distributed processing, 251 DIX connector, 274 DLL (dynamic library link), 1114 DNS (Domain Name System) servers domain name kiting, 919 function of, 302, 314–316 manual configuration of, 367 overview of, 964–968 security attacks, 918–919 Windows 7 IP config., 815 dock, icons, 877 docking stations, 422–424, 491 Docter, Quentin, 257 domain controller, 261, 970 Domain Setup, 817 domains, 261, 816 dongles, 420 dot-matrix printers overview of, 504–505 troubleshooting, 608–609 double-sided memory, 41 draft quality prints, 505 DRAM (dynamic random access memory), 43, 44–49 DRAM-based SSDs, 78 drive activity light, 31 drive gears, dot-matrix printers, 609 drivers configuring printer, 532–534 defined, 663 detecting new hardware, 447 Linux/Mac OS updates, 873 NIC, 272 print server, 542 signing, 717, 718, 746 software, 1042 troubleshooting compatibility errors, 1115 mis-installed, 1114 printer, 607, 622
drives backing up, 753 BitLocker encryption, 789 disposal methods, 935–939 drive interfaces, 134–135 hard drives. See hard drives and RAID, 85–86 Dropbox, 980 DSL connections, 343–346 D-subminiature connectors, 127–128 dual in-line package (DIP), 32 Dual View, 202 dual voltage options, 100 dual-booting, 719, 985 dual-channel memory, 41 dual-drive storage, 79 dual-homed firewall, 902 dual-rail architecture, 99 dual-scan displays, 187, 188 dumb terminals, 235 Duo processors, 35 duplexing printer assembly, 513, 518 RAID 1, 88 USB 2.0 and 3.0 capacities, 141 Windows 7 NIC, 815–816 durability of components, 397 dust, 576 DVD burners, 83–85 DVD Forum, 84 DVD+RW Alliance, 84 DVD-ROMs burning, 83 characteristics of, 85 defined, 80 issue identification, 593 unusual noise from, 577 DVI (Digital Visual/Video Interface) cables, 147–149 characteristics of, 147–149 consumer call for, 147 DVI-A connector, 148 DVI-A interface, 185 DVI-D connector, 148 DVI-I connector, 148 DVI-to-HDMI adapter, 150 DVI-to-VGA adapter, 148
1279
1280
Dvorak Simplified Keyboard – Environment Variables button
Dvorak Simplified Keyboard, 162–163 DVR machines, 177 DxDiag (DirectX Diagnostic) tool, 745–746 dynamic disk, 752 dynamic frequency selection (DFS), 335–336 Dynamic Network Address Translation (DNAT), 380 dynamic ratio, 212 dynamic storage, 751
E E Ink, 471 E Ink Holdings, Inc., 472 editing the Registry, 731, 732 effective clock rate, 36 802.11 networks as built into laptops, 422 devices for, 338–339 modulation techniques, 337–338 standards, 331–337, 387 upgrading laptop cards, 439 802.11a standards, 332–333 802.11ac standards, 335–337 802.11b standards, 333 802.11g standards, 333–334 802.11n standards, 334 802.3 CSMA/CD (Carrier Sense Multiple Access with Collision Detection), 269 electrocution anti-static strap hazards, 1157 from capacitators, 583, 586, 1152 from components, 1151–1155 from desktop PCs, 577 from inverters, 429, 440 from power supplies, 99, 516 via stored electricity, 1151 electromagnet drive destruction, 938 email encryption, 1081–1082 filtering, 906 hijacked, 1132 mobile configurations, 1069–1082 phishing, 907–908, 910 protocols, 970 S/MIME setup, 604–606 viruses, 914
embedded MultiMediaCard (eMMC), 92–93 embedded systems, 973–974 emergency notifications, 1033 EMI (electromagnetic interference), 371, 1159–1160 employees responsibility of, 1166–1167 safety plan for, 1168 employer responsibilities, 1166–1167 emulation, 989–990 encryption access point, 372 BitLocker, 921 in digital rights management, 157 drive, 26 email, 1081–1082 enabling wireless router, 377 Encrypting File System (EFS), 817, 921 full drive encryption, 934–935 of geotracking, 1025 of GPS signals, 474–475 NFC as lacking, 488 via HTTPS, 303 Windows 7 network, 817 Windows Advanced Attributes options, 696–697 of wireless networks, 339–340, 940 endpoints, 143 endspan PoE devices, 289 enduser license agreement (EULA), 1186 energy density, 424 engine self-test, 623 Enhanced Graphics Adapter (EGA), 206, 210 enterprise licenses, 1187 enterprise networks Quality of Service (QoS) strategy, 384– 385 tape backups, 89 WPA choices, 340, 378 enterprise servers file sharing, 240 multiple, 955 vs. home servers, 236 entry control rosters, 897 envelope feeders, 559 Environment Variables button, 718
environmental issues – files
environmental issues accidents, 1168–1169 display degradation, 212 hazardous waste, 1170, 1177–1186 managing physical, 1171–1177 water, 1160, 1169 workplace safety, 1164–1170 EP (electrophotographic) printing overview of, 518–524, 613–614 printers using, 513 EPS12V power connectors, 102, 104 erasable PROM (EPROM), 50 Erase Data feature, 931 erasing discs, 82 e-readers, 471–473 ergonomic keyboard, 162 Ericsson headset, 253 error-correcting code (ECC), 41 errors. See also alerts laser printer codes, 624 memory, 40–41 OS reinstallation following, 709, 732 recreating, 1192–1193 user, 1107, 1108 Windows 7, 804 Windows Vista reports, 850 eSATA cards, 120, 135, 226 ESD (electrostatic discharge) component damage from, 1155–1159 static eliminator strip, 517, 617 Ethernet cables, 277 common standards, 357 interfaces adapters for, 121 commonality of, 135 for home servers, 240–241 for printers, 528–529 naming standards, 273 splitters, 279 USB capacity extension, 122 Wake on LAN (WoL), 816 Ethernet over power, 288–289 ethics, 1201 even parity, 40 Event Viewer tool, 739, 1124 Exchange, 1080 executive subsystems, 1113
1281
EXIT command, 729 EXPAND command, 729 expansion cards A+ exam topics, 113–116 blank slots, 576 installing/configuring, 113, 117–126 for laptops, 414–422 practice test on, 178–182, 1215, 1249 replacing laptop, 438–439 expansion slots, 12–16 expiration, password, 921 Explorer, 693–694 exposing (writing), EP print, 520, 614 ExpressBus, 415 ExpressCard, 414–415 ExpressCard/34, 415, 416 ExpressCard/54, 415, 416 Extended File Allocation Table (ExFAT), 750 Extended File System (ext), 750–751 Extended Graphics Array (XGA), 208, 210 extenders, 285 extranet connections, 907
F failure, system, 719 fanless cooling, 61–63 fans common symptoms, 575–576 CPU, 59 projector, 194 types of, 54–58 FAT32, 750, 917 fault tolerance, 236, 264 F-connector, 276 feeder, printer, 558–559 fencing, 897 fiber-optic cables, 280–284 fiber-optic Internet, 349–350 Fiber-to-the-Home (FTTH) service, 349 Fiber-to-the-Node (FTTN) service, 350 fieldreplaceable units (FRUs), 439 file allocation table (FAT), 749–750, 917 File Explorer. See Explorer file servers, 255, 958–959 files backing up, 868–869
1282
filtering, MAC – fragmented files
corrupt, 1116 disk storage for, 749 formats, 749–750 Linux navigation, 884 locking, 252 management of, 691–698 moving vs. copying, 918 permissions Linux, 884, 885 NTFS, 697–698, 917–919 propagation, 920 print sharing, 240 printing to, 525–527 sharing, 919–920 signs of infected, 1132 syncing offline, 849–850 system, 920 virus signature, 916 filtering, MAC, 940–941, 942 Find My Phone app, 932, 933 Finder, 876 Fingerworks, 459 finishers, printer, 559 FiOS, 349 fire, electrical, 1170 fire ratings, 870 fireproof data storage, 870 firewalls configuring wireless, 384 DMZ management, 957 Firewall applet, 720 function of, 381, 383 network-based, 383 overview of, 900–903 as security device, 288 types of, 383 UTM, 973 Windows 7, 790, 798–803 Windows Vista, 838–839, 860 FireWire (IEEE 1394) cables, 142–144 FireWire (IEEE 1394) ports, 130, 135 FireWire 400 interface, 142, 143–144 FireWire 800 interface, 142 FireWire cards, 120 firmware defined, 23 Linux/Mac OS updates, 873
printer upgrades, 558 SOHO install updates, 376 Fitbit, 480–482 Fitbit Flex, 480 Fitbit Surge, 481–482 fitness monitors, 479–482 flash drives, 777 flash memory, 89, 90–95 flash-based SSDs, 78 flashing the BIOS how to, 27–28 for laptops, 446 upgrades via, 581 flatbed scanners, 163–164 flexibility, 1197–1198 FlexNet Manager, 1188 fluorescent lights, 371 Folder Options applet, 714–716 folders in the cloud, 981, 982 managing, 692 moving vs. copying, 918 NTFS permissions, 917–919 sharing, 919–920 system, 920 Force Quit tool, 874 force stop, 1139 form factors CPU, 32 flash memory, 90, 92, 94 home theater PC, 233, 234 laptop, 399, 402, 403, 417 memory, 17, 50, 53 motherboard, 6–8, 124 power supply, 106 storage devices, 81, 97 FORMAT command, 724, 751 formatter boards, 622 formatting files, 749–750 low-level vs. standard, 936 storage discs, 82 in Windows 8 upgrades, 772 /? command, 729 4G technology, 353 4G LTE (Long-Term Evolution), 353 fragmented files, 1120
frame rate – graphics adapter
frame rate, 199, 213 frames, laptop, 398 freeware, 1186 frequencies clock frequency, 36 DSL vs. phone, 345 EMI interference, 1159–1160 for expansion slots, 13 GPS transmission, 474 wireless channel, 333–335, 378–379 frequency-hopping spread spectrum (FHSS), 337 front end computer, 251 front intake fan, 54 front panel connectors, 29–30 front stereo channel, 137 frontside bus (FSB), 9–10 frozen system, 604, 1138 FSB speed, 36, 46–47 FTP (File Transfer Protocol), 301, 303 full drive encryption, 934–935 full duplexing, 815–816, 854 full format, 751 Full Speed USB, 138 full-duplex communication, 271 Function (Fn) key, 407, 599 function keys, 161–162 fusing, EP print, 522, 614 fusing assembly, 517–518, 621
G gadgets Windows, 675 Windows 7, 788 Windows Vista, 830 Galaxy Note, 470 game pads, 168, 491 games, mobile, 990 gaming graphics, 16 gaming PCs fiber-optic connections for, 350 overview of, 230–232 propagation delay to, 351 Garmin Nuvi GPS, 475 Gateway field, 815
1283
geolocation, 1024, 1025 gesture-based interaction, 1022 Gestures, 876 ghost cursors, 600 ghosting, 621 Gigabit Ethernet, 335, 357, 414 gigabit NIC, 240–241 glasses-mounted computer, 482 Global Navigation Satellite System (GLONASS), 1025 Global Navigation Satellite Systems (GNSSs), 473–474 Global System for Mobile Communications (GSM), 352 globally unique identifier (GUID), 755, 921 Gmail, 1070, 1075 goggles, safety, 1164 Google Android OS. See Android operating system cloud services, 546–549, 982–984 Docs, 982, 983 Drive, 980, 981, 1088 email services, 1070 Glass, 482–484 launcher options, 1029 Now, 1030 Play Store, 1018 Wallet, 1036 web servers, 958 government alerts, 1033 GPRESULT command, 728 GPS (global positioning system) on mobile devices, 1024–1025 overview of, 473–475 troubleshooting, 606–607 GPT disk, 752 GPUPDATE command, 728 graphic design workstations, 223–224 graphical user interface (GUI) defined, 664 failures to load, 1117 mobile, 1029 graphics adapter for audio/video editing, 225 defined, 118 for home theater PCs, 234
1284
Graphics Device Interface (GDI) – Help and Support command
Graphics Device Interface (GDI), 530 graphics mode, 206 graphics processing units (GPUs) enhancements to, 224 for gaming, 231 integrated, 38 grep command, 878 GRiD Systems GRiDPad, 461 grounding, 1156–1159 groups, managing, 804–805, 921 GRUB (Grand Unified Bootloader), 1117–1118 GSmartControl, 590 Guest account, 914, 916 gyroscopes, 1024
H hacking, 318, 957 half duplexing configuring, 815–816, 854 vs. full, 271 half self-test, 623 hard drives anatomy of, 72–77, 108 connectors, 134–135 destruction methods, 935–939 Disk Management of, 751 installing printer, 558 laptop, 403–404 optimizing, 753–754 replacing laptop, 435–437 specialized, 226–227 speeds, 77 troubleshooting failure metrics, 591 fixes by fail type, 588–593 symptoms, 568 uncoupling, 226 virtual memory on, 18 virtualization requirements, 987, 988 hardware. See also components by name acceptable use policies (AUPs), 905 compatibility, 665–669, 792 Control Panel Hardware tab, 717–718 custom configurations, 221–222 destruction/disposal of, 937–939, 1177–1186
firewalls, 288, 382, 900–903 laptop basic components, 398–431 replacing external, 446–447 replacing internal, 434–446 MAC addresses, 271 network, 270–284 print servers, 542 safety moving, 1161–1162 troubleshooting A+ exam topics, 567–572 common symptoms, 575–582, 1104 methods for, 1101, 1105 misconfigured, 1114 practice test on, 1230–1232, 1257 symptom list, 567–572 upgrades, 27–28, 446 for virtualization work, 698 Hardware Compatibility List (HCL), 666 hardware-assisted virtualization, 699 hazardous waste, 1170, 1177–1186 HD DVD, 149 HDDERASE, 937 HDMI (High-Definition Multimedia Interface) 1.3, 1.4, and 2.0, 149–150 cables, 149, 150 characteristics of, 149–151 consumer call for, 147 for gaming, 232 for home theater PCs, 234 HDMI-to-VGA adapter, 151 head carriage, 506–507 headers, 135, 266 headsets, 482–484, 490 heat pipes, 62 heat sinks function of, 54 increasing efficiency of, 59–60 laptop, 400–401 motherboard chipset, 11 processor socket, 19–20 removal of, 60 troubleshooting fixes by fail type, 586 symptoms, 575–576 helium cooling systems, 63 Help and Support command, 679
HELP command – ICMP (Internet Control Message Protocol)
HELP command, 729 Hercules Graphics Card (HGC), 206, 209 Hewlett-Packard HP ePrint, 549–550 HP LaserJet, 622–626 laser printers, 513 Photosmart Plus, 545 Photosmart printer, 90, 91 Tablet PC, 462 hibernation state, 748 hierarchical addressing, 308, 309 high bit-rate DSL (HDSL), 344 High Speed HDMI cables, 149, 150 High Speed USB 2.0, 130, 138 high-voltage power supply (HVPS), 515–516, 619 high-voltage probes, 1153 hijacked email, 1132 hives, Registry, 731 HKEY_CLASSES_ROOT, 731 HKEY_CURRENT_CONFIG, 731 HKEY_CURRENT_USER, 731 HKEY_LOCAL_MACHINE, 731, 1113 HKEY_USERS, 731 hoaxes, security, 1129 home office networks. See SOHO wireless networks home screen replacements, 1029 home server PCs, 236–241 home theater PCs, 232–235 HomeGroups configuring Windows networking, 816–817 Windows 7, 237, 790, 810 Windows Vista, 852 hops, 144 host bus adapter (HBA), 72 host ID, 310 host OS, 987 host-based firewalls, 383 hostname-to-IP-address pairs, 315 hosts address assignation, 941 emulator compatibility, 989 hypervisor shares of, 986, 987 IP address, 308–309 Host-to-Host layer, 301, 306–308
1285
hotspots, mobile defined, 354 how to enable, 1038–1039 overview of, 488–490 hot-swappable devices booting Windows from, 776 defined, 95 for laptops, 446 HTC Dream, 466 EVO 4G, 1056 HTC Sync, 1090–1092 TouchFLO, 460 HTTP (Hypertext Transfer Protocol), 301, 303, 957 HTTPS (Hypertext Transfer Protocol Secure), 303–304, 957 hubs broadcast function, 285–286 central, 263 vs. switches, 287 WAP, 338 human-caused accidents, 1169 humidity and ESD, 1155, 1159 hybrid attacks, 909 hybrid clouds, 978 hybrid drives, 78–79 hybrid hard drives, 405 hybrid TCP/IP configuration, 962 hybrid topology, 265 Hyper-Threading Technology (HTT), 33 hypervisor defined, 698, 986–987 hacks, 990
I IBM advanced video resolutions, 207–208 Simon Personal Communicator, 464, 465 iCloud configuration settings, 1088 data storage, 1087 email configuration, 1070 Find My Phone app, 932 iPad configuration, 875–876 ICMP (Internet Control Message Protocol), 301, 308, 903
1286
Icy Sea Inc. – Internet Options applet
Icy Sea Inc., 1195 ID badges, 897, 898 IDE (integrated drive electronics) drives, 86, 936 identity theft, 372 IEEE 1394 (FireWire) cables, 142–144 IEEE 1394 (FireWire) ports, 130 IEEE 802.11 standards. See 802.11 networks ifconfig command, 632, 887–888 image deployment, 773 image recovery tool, 874 IMAP (Internet Message Access Protocol), 304, 1078 IMAP4, 304 impact paper, 504 impact printers, 503–513 Improve Power Usage, 812 incident response, 1168–1169, 1190 incineration, drive, 938–939 Indexing Service, 695, 858–859 Infrared Data Association (IrDA), 131–132, 362 infrared networks, 361–363, 487 infrared ports, 131–132 infrastructure, 253 Infrastructure as a Service (IaaS), 976 infrastructure mode, 529 init process, 882 injury, repetitive strain, 169 ink cartridges, 506, 552 inkjet printers, 505–513 inoculation, virus, 1133 in-place upgrades, 770, 791 in-plane switching (IPS), 185, 186, 429 input devices applet, 848 common, 158–170 mobile methods, 459–460 multimedia, 170–173 and output devices, 175–177 overview of, 157–173 practice test on, 178–182 troubleshooting mobile, 599–600 Institute of Electrical and Electronics Engineers (IEEE) creation of 802 standards, 268 creation of WLAN standards, 332 insurance, compensation, 1169
Integrated Circuit Card Identifier (ICCID), 1044 integrated drive electronics (IDE) drives, 86 integrated GPU, 38 integrated print servers, 542 Intel motherboard chipsets, 10 Pentium M chip, 401 Processor Identification utility, 37 Thunderbolt collaboration, 155 Intel Core 2 Quad Q9650 processor, 48 Intel Core i7-990X Extreme Edition processor, 49 Intel i7 Extreme Edition processor, 229 interlaced technology, 208 internal network connections, 356–363 International Mobile Equipment Identity (IMEI), 1043 International Mobile Subscriber Identity (IMSI), 1044 International Mobile Telecommunications Advanced (IMT-Advanced) standards, 353 Internet appliances, 971–973 DNS interactions with, 966–967 dot at the end, 966 as network public side, 288 and network security, 971–973 pharming, 1128 virtualization via, 985 Internet access choosing internal, 356–363 connection types, 329–330, 341–356 firewalls as filtering, 900–901 prevalence of, 331 provider availability, 355–356 security risks in, 896 shared connections, 380–381 troubleshooting no connectivity, 319 printer connectivity, 615 and security, 1130 via cellular hotspots, 123 via web servers, 957 Internet Control Message Protocol (ICMP), 301, 308, 903 Internet layer, 308 Internet Options applet, 714
Internet Protocol (IP) – Kerberos
Internet Protocol (IP), 308 intrusion detection, 25, 972 intrusion prevention system (IPS), 972 inverse multiplexing, 348 inverters, 429, 440, 1153 I/O (input/output) ports, 582–583 I/O cards, 120 IOS (Internetwork Operating System), 90 iOS operating system airplane mode, 1041 app downloads, 1014–1017 App Store, 871 Cloud Print support, 549 connectivity troubleshoots, 602–603 emulators, 990 geotracking by, 1025 on iPads, 463 on iPhones, 466 market share, 1007, 1011–1012 overview of, 1009–1011 practice test on, 1092–1096 S/MIME enables, 1081–1082 S/MIME setup, 604–606 syncing devices, 1083–1087 versions of, 1011 VPN configuration, 1054–1056 IP addresses assigning static, 941, 943 binary system, 309–310 CIDR, 312–314 configuring alternative, 814–815 as hierarchical, 308–309 IPCONFIG command, 641–643 IPv4 address classes, 310–312 Network Address Translation, 379–380 network and host IDs, 310 public vs. private, 316–318 renewal in Windows 7, 643–644 resolving hostnames to, 315 troubleshooting, 633 IP spoofing, 918 iPad, 463, 1009 IPCONFIG /ALL defined, 641 output, 642–643 to renew IP addresses, 644–645 troubleshooting via, 634 for workstation address, 942
1287
IPCONFIG command in IPv4-IPv6 networks, 321, 322 as a mobile hotspot, 488–489 switches, 641–642 troubleshooting via, 319, 631, 633 iPhone. See also iOS operating system Apple Watch pairings, 479 disabling cellular data, 1050–1052 email configuration, 1070–1074 Find My Phone app, 932 5c, 1035 operating system, 1009 overview of, 466 pairing with vehicles, 1067–1069 passcode locks, 930 size history, 468 Wi-Fi connection, 1045–1047 wired connectors, 486 IPv4 addressing communication via, 310–312 patterns, 309 vs. IPv6, 319, 320 IPv4-IPv6 networks, 321 IPv6 addressing, 319–322 ISDN (Integrated Services Digital Network), 348–349 ISP (Internet service provider), 341, 1070 iTunes syncing, 1083–1087, 1089 ITX motherboards, 8
J jailbreaking for Bluetooth connectivity, 1056 and geolocation, 1025 mobile OSs, 1007 jams, printer, 608–609 Jawbone, 480 journaled file system (JFS), 870 joysticks, 168 jump lists, 790
K Kensington lock, 431 Kerberos, 754–755, 920, 970
1288
kernel panic – LED (light emitting diode) displays
kernel panic, 1111 key fobs, 898 keyboards backlights for, 410 BlackBerry, 468–469 cables, 145–146 installation, 163 interface, 133–134 laptop overview of, 407–410 ports, 422 replacing, 441–442 layouts, 161–162 PC, 161–163 safety around, 1155 troubleshooting laptop, 599–600 power issues via, 578 wireless, 146, 158 Keychain, 875 Kindles, 472 kinetic sensors, 1023 KitKat, 1040 Kobo, 472 KVM (keyboard/video/mouse) switch, 175
L labels, printing, 609 Lammle, Todd, 318 land grid array (LGA), 20–21, 33 lands, 33 lanes, 14 language, professional, 1192, 1195 laptops A+ exam topics, 393–394 Bluetooth pairing with, 1056 building your own, 397 cable locks, 431–432 components, 398–431 cases, 398 display, 185, 394, 426–431 hardware, 393 input devices, 406–414 keyboards, 407–410 memory, 17, 402–403 motherboards/processors, 399–401
pointing devices, 159–161, 410–414 replacing external, 446–447 replacing internal, 434–446 storage devices, 403–405 expansion ports, 414–422 external monitors for, 202 portability of, 457 power systems, 424–427 practice test on, 448–453, 1226, 1254 troubleshooting dis-/reassembly, 432, 434–447 fixes by fail type, 595–607 and warranty voids, 433 vs. desktops, 396–398 laser printers overview of, 513–524 PS vs. PDL driver software, 531 routine maintenance, 614 toner disposal, 1185 troubleshooting, 613–626 laser scanning assembly, 515 Last Known Good Configuration option, 732, 1111 latency, 350, 351 launcher, 1029 Launcher app, 1030 Layer 2 Logical Link Control Protocol (LLCP), 488 layers, OSI model, 266–267 LCD (liquid crystal display) screens contrast ratios, 211–212 cutoff switch, 598 failed printer, 624 laptop, 426, 440 native resolution, 211 overview of, 185–189 practice test on, 213 refresh rate adjustment, 195 vs. OLED displays, 191 LDAP (Lightweight Directory Access Protocol), 304 League of Legends, 230 Leap Motion Controller, 169 least privilege principle, 906 LED (light emitting diode) displays backlightling from, 189 for laptop displays, 429 vs. OLED displays, 191
leftmost directory group – Mac OS
leftmost directory group, 884 legacy systems, 973–974 legal issues, 1186–1191 letter quality (LQ), 504 Level 1, 2, and 3 caches, 19 libraries, 791 License Manager, 1188 licenses, software, 1186–1189 lightning, 1169 Lightning connector, 486 Li-ion battery, 425 LILO (LInux LOader), 1117–1118 link local addresses, 321 links, 14 Linksys EA3500 wireless router, 373–379 Linux A+ exam topics, 664, 867 as Android OS base, 1007 basic commands, 877–888 best admin. practices, 868–873 cloud options, 981 on early mobile devices, 477 Extended File System (ext), 750–751 features, 874–877 on-the-fly defrags, 871 Network File System, 750 network operating system, 258 practice test on, 888–892, 1238, 1264 print server drivers, 542, 544 terminal prompt, 1135 tools, 873–874 troubleshooting, 1111 updating, 871–873 liquid cooling systems, 60–61, 586 lithium ion (Li-ion), 1183 Live sign in, 767 load-reduced DIMMs (LRDIMMs), 43 local area networks (LANs) defined, 250 history of, 251–252 speed of, 254–255 local connector (LC), 284 local network printing, 542–545 Local Policies, 807, 843 Local Security Policy Windows 7, 805–807 Windows Vista, 841–843 local shares, 754, 920
Local Users And Groups tool overview of, 739 Windows 7, 804–805 Windows Vista, 840–841 location, network, 854 Location Services, 1141 locking doors, 897 locks, cable, 431, 904, 944 log files, 1119 Logical Link Control (LLC), 269 logical partition, 751 logins, user Find My Phone app, 932 security for failed attempts, 921–922 LoJack, 29 Lollipop, 1040 Lookout Labs, 933, 934 loopback addresses, 312 loopback plugs, 638 low-level format, 936 LowSpeed USB, 138 LPR protocol, 544 ls command for directory listing access, 884 overview of, 878, 879 ls /dev command, 879 Lubuntu, 991–995 Lucent Technologies, 284 luggable computers, 185, 395 luma (Y), 152 lumens, 193 lux, the, 193
M M.2 expansion cards, 417–419 MAC addresses barcode readers of, 165 cloning, 381 defined, 269, 271 filtering, 940–941, 942 resolving conflicts, 633 security issues, 378 spoofing attack, 918 MAC Filtering tab, 378 Mac OS A+ exam topics, 664, 867
1289
1290
Mac OS X – Microsoft Disk Operating System (MS-DOS)
best admin. practices, 868–873 features, 874–877 on-the-fly defrags, 871 network operating system, 258 practice test on, 888–892, 1236, 1264 print server drivers, 542, 544 sync requirements, 1090 tools, 873–874 updates, 871–873 Mac OS X, 549, 876 MacBook Pro, 410, 1057–1067 macro virus, 915 Magellan, 475 magnetometer, 1024 magnets, 1160 mail servers, 970–971 mainframe computers, 251 maintenance station, 506 malicious viruses, 1133 malware anti-. See anti-malware software defined, 909 infection symptoms, 912–913, 1127–1128 known, 899 removal of, 1136–1137 man-in-the-middle attacks, 909 mantraps, 897 manual email setup, 1078–1080 manual TCP/IP configuration, 961 mark parity, 40 master boot record (MBR), 27, 1112 Master File Table (MFT), 749–750 mats, antistatic, 1157–1158 maximize/minimize buttons, 685, 688 MD command, 722–723 measured service, 979 media access, 141, 157 Media Access Control (MAC) sublayer, 269 media streaming, 237 memes, 1129 memory. See also RAM (random access memory) A+ exam topics, 3–4 app fails to load, 604 banks, 39–40 characteristics of, 38–43 cooling, 55, 58 CPU choices, 48–49
flash memory, 90–95 inserting/removing, 53, 68 laptop modules, 402–403 mobile cards, 492 packaging, 50–54 practice test on, 65–68, 1212, 1248 printer upgrades, 556–557, 616 replacing laptop, 435–438 resolution requirements, 202 slots, 16–19 troubleshooting symptoms, 583 Windows diagnostics tool, 810, 846 types of, 43–54 upgrading, 428 video memory sharing, 428 worms, 917 mesh topology, 264–265 Metro UI, 765 metropolitan area network (MAN), 251, 254 Micro ATX motherboards, 7 MicroDIMM, 403 microHDMI connector, 151 microphones defined, 173 laptop, 430 unauthorized access of, 1141 microSD cards, 90 Microsoft BitLocker. See BitLocker CIFS protocol, 302 cloud services, 982 Exchange, 1080 OS tools, 708 PixelSense technology, 460 printing to PDF, 527 RRAS (Routing and Remote Access Service), 342 smart watches, 477 Tablet PC, 462 virtual memory, 18 web servers, 958 Microsoft Assessment and Planning (MAP) Toolkit, 792 Microsoft Deployment Toolkit (MDT), 773 Microsoft Disk Operating System (MS-DOS)., 721
Microsoft Surface Pro – motherboards
Microsoft Surface Pro 3, 463 Microsoft Windows User State Migration Tool (USMT), 796 microwaves, 1160 middle directory group, 884 MIDI (Musical Instrument Digital Interface) devices, 171–172, 226 midspan PoE devices, 289 MiFi, 1039 MIMO, 335 mini DisplayPort (MDP), 154, 421 Mini PCIe technology, 415–417, 438 minicomputers, 251 mini-DIN 6 connector, 133–134 miniHDMI connector, 151 miniSD cards, 90 Mission Control, 874 mkdir command, 885, 887 MMC (Microsoft Management Console) Windows, 739 Windows 7, 804 Windows Vista, 840 mobile devices A+ exam topics, 455–456 accessories, 456, 490–492 characteristics of, 455, 458–460 connectivity Bluetooth, 1056–1069 cellular data, 1037–1044 email, 1069–1082 Wi-Fi, 1045–1056 email configuration, 1069–1082 emergency alerts, 1033–1034 hand-held, 461–477 operating systems. See mobile operating systems OS updates, 934 OS-based games, 990 passcode locks, 930–931 payments via, 1035–1036 policies and procedures, 935 ports, 455 practice test on, 492–497, 1227, 1256 printing from, 545 remote wipes, 931–934 security of, 929–934 service and repair to, 458 Tablet PC Settings applet, 847
1291
as technological edge, 457 touchscreens, 1022–1029 troubleshooting common issues, 1137–1139 fixes by fail type, 595–607 security, 1139–1142 symptoms, 570–571 virtual assistants, 1030–1033 wearable, 477–484 Wi-Fi calling via, 1034–1035 wired connections, 484–486 wireless connections, 486–490 Mobile Equipment Identifier (MEID), 1044 mobile hotspots. See hotspots, mobile mobile operating systems. See also Android operating system; iOS operating system A+ exam topics, 1003–1005 Android. See Android operating system app downloads, 1014–1022 iOS. See iOS operating system jailbreaking, 1007, 1025 launchers, 1029–1030 practice test on, 1092–1096, 1241, 1266 smart watches, 477, 478 troubleshooting A+ exam topics, 1098 practice test on, 1142–1146 symptoms, 1137–1139 tools, 1139–1142 updates to, 934, 1042–1043 Windows Phone, 1012–1013 mobile payment service, 1035–1036 Mobility+ test, 1140 modems adapters for, 120 defined, 123–124, 285 DSL, 343 Internet shares, 381 Molex connectors, 101–102 monitors. See display devices Monochrome Display Adapter (MDA), 206, 209 motherboards A+ exam topics, 3–4 audio setup, 226 components of BIOS and POST, 24–28 bus architecture, 9–10
1292
motion sensors – Nessus vulnerability scanner
chipsets, 10–12 CMOS/CMOS battery, 29 CPU/processor sockets, 19–22, 32–38 expansion slots, 12–16 firmware, 23 front-/top panel connectors, 29–31 identifying, 5–6 list of common, 8–9 memory slots/cache, 16–19 safety issues, 1151–1155 connectors fan, 55–57 on- and off-board, 134–135 power, 23, 101 error messages, 580 expansion cards matching, 117 form factors, 6–8 with integrated NIC, 121 laptop, 399–400 practice test on, 63, 65–68, 1212, 1248 riser technology for, 124 supported modules, 44 troubleshooting fixes by fail type, 582–583 symptom list, 567–568 symptoms, 575–582 motion sensors, 168–169 motion smoothing, 190 mouse, computer cables, 145–146 click options in Windows, 672 installation, 163 interface, 133–134 laptop fails and fixes, 600 options, 410–414 ports, 422 overview of, 158–159 safety around, 1155 wireless, 146, 158 Mouse applet, 160 mouse pad, 158 moving files/folders, 918 MSCONFIG Boot tab in Windows 7, 743 General tab in Windows 7, 742 Services tab in Windows 7, 743
Startup tab in Windows 7, 744 Tools tab in Windows 7, 744 MSCONFIG.EXE, 807, 843, 1120 MSDS (Material Safety Data Sheets), 1177, 1178 Msinfo32 tool, 745 MSTSC (Remote Desktop Connection), 745–748 multiboot installation, 773, 774 multicast IPv6 addresses, 320 multi-channel memory systems, 41–42 multicore architecture, 35 multicore processor, 223 multifactor authentication, 899, 935, 971 multimedia adapters, 119 multimedia input devices, 169–173 multimeters, 635–636, 1164 multimode fiber cable, 281 Multimonitor Taskbars, 766 multipartite virus, 915 multiple-barrier security systems, 897 multithreading, 665 multi-touch technology, 459 multiuser software, 1187 mutation, virus, 916 mutual authentication, 1084 mv command, 886 My Computer icon, 678 MyBackup Pro, 934 MyDLP, 915
N naked DSL, 346 name, network, 376 NAT (Network Address Translation), 316, 318 National Television System Committee (NTSC) signal, 153 native resolution, 211, 213 navigation, GPS, 473 NBTSTAT command, 647 near field communication (NFC), 487–488, 1036 near letter quality (NLQ), 505 Nessus vulnerability scanner, 871
NET command – networks.
NET command, 648–651 NET SHARE command, 649–651 NET USE command, 754 netbooks, 396 netboots, 777 NETDOM command, 651 NETSTAT command, 646–647 network, defined, 250 Network Access layer, 301 network adapters, 120, 865 Network Address Translation (NAT), 379–380 network attached storage (NAS), 958 network discovery, 814, 854 Network File System (NFS), 750 Network icon, 683 network ID, 310 network interface card (NIC) characteristics of, 270–272 configuring, 365–367, 368 gigabit, 240 integrated, 121 printer upgrades to, 557–558 for proxy firewalls, 902 troubleshooting, 631–632 Windows 7 install, 364–365 Windows 7 properties, 815–816 wireless, 122 workstation install, 256 network layer, 267, 268 network locks, 941 network operating system (NOS) in client-server model, 260 as necessary component, 254 popular systems, 258 network terminator, 348 Network+ test, 249, 317 networks. See also wired networks; wireless networks A+ exam topics, 247–248, 630 administration of. See administration, network architecture devices, 248 attacks on unsecured, 369 auxiliary devices, 288–289 booting Windows from, 777 cables and connectors, 247
1293
communication rules, 265–269 components of, 254–261 configuring Windows networking, 816–817 connectivity devices, 285–288 defined, 250, 664 firewalls. See firewalls hardware, 270–289 installations cost of, 360 how to do, 364–373 practice test on, 387–391 pre-planning, 341, 363–364 internal connections, 356–363 laptop connectivity, 409 mobile device A+ exam topics, 1003–1005 Bluetooth, 1056–1069 cellular data, 1037–1044 email, 1069–1082 smart cameras, 477 test on, 1092–1096, 1240 troubleshooting, 600–607 Wi-Fi, 1045–1056 names and passwords, 376 NTFS shares, 917 practice test on, 290–295, 1221, 1252 for printers configuring pools, 537 educating users, 541 installing/sharing, 542–550 remote OS upgrades from, 773 resource access efficient forms of, 258–261 install plans for, 363 server-managed, 255 shared, 257–258 responsibilities, 258 security, 971–973 servers. See servers speed capacities, 254 TCP/IP. See TCP/IP (Transmission Control Protocol/Internet Protocol) with thin clients, 235–236 topologies, 143, 261–265 troubleshooting A+ exam topics, 567–572
1294
New Low-Profile Extended (NLX) motherboard – operating systems
EMI, 1159 fixes by fail type, 630–635 practice test on, 1257 sharing solutions, 1108 software for, 639–652 symptom list, 567 test on, 1230–1232 tools for, 635–639 types of, 248, 250–254 virtualization needs, 987, 988 virus spread via, 913–914 Windows 7 options, 812 Windows Vista options, 852–855 New Low-Profile Extended (NLX) motherboard, 124 New Technology File System (NTFS) Advanced Attributes options, 695 directory security by, 903 file permissions, 697 Master File Table (MFT), 749–750 vs. share permissions, 917–919 for wired networks, 943 New York Times, 471 Next Generation Form Factor (NGFF), 417 NFC Data Exchange Format (NDEF), 488 nickel cadmium (NiCd) batteries, 1183 nickel metal hydride (NiMH) batteries, 1183 NICs (network interface cards), 865 Nintendo Wii, 168 Nitro PDF, 526 nitrogen cooling systems, 63 NLE software, 226 no-execute (NX) bit, 38 noise, unusual, 577, 588 nondedicated servers, 255, 956 non-parity memory, 39 Northbridge chipsets, 10 notebook computers, 395 Novell, 251 NSLOOKUP command, 651–652 NTBOOTDD.SYS, 1112 NTBTLOG.TXT, 1112 NTDETECT.COM, 1112, 1113 NTLDR, 1111, 1117 NTOSKRNL.EXE in troubleshooting boot, 1112 Windows 7, 797 Windows 8, 776
Windows Vista, 836 NTT DoCoMo, 465 NVIDIA Control Panel, 200, 201 CUDA, 225, 226 liquid cooling system, 232, 233 SLI, 16, 231 video card, 1089
O Occupational Safety and Health Administration (OSHA), 1166, 1178 odd parity, 40 odors and smoke, 578 off-board hard disk connectors, 134–135 Office 365, 982 offline file syncing, 849–850 offsite storage, 870 OLED (organic light emitting diode) displays, 190–192 onboard hard disk connectors, 134–135 onboard NIC, 865 on-demand self-service, 979 OneDrive, 765 onsite storage, 870 open access point, 372 Open Computing Language (OpenCL), 225 open source code, 664 open-source software, 1186 OpenXPS (OXPS), 527 operating systems. See also systems by name A+ exam topics, 660–661, 664 administration of Windows. See administration, Windows alerts, 579 booting, 776 compatibility hardware, 222, 665–669 printers, 539–540 defined, 662–663 emulators, 989–990 file storage, 1118 guest/host virtualization use, 227–228 identifying, 678 installing multiple, 774 locked up, 1130
operational procedures – patch cable
mobile. See mobile operating systems network client software, 256 for networks. See network operating system (NOS) practice test on, 1232, 1257 security settings, 915–921 server vs. workstation, 257 supporting Cloud Print, 549 system requirements, 665–669 terms and concepts, 664–665 for thin clients, 236 troubleshooting symptoms, 1101, 1110–1118 test on, 1143, 1243, 1267 tools for, 1118–1126 update failures, 1131 variables, 718–719 virtual, 698, 985–986 operational procedures A+ exam topics, 1147–1149 environmental control, 1170–1186 legal issues, 1186–1191 practice test on, 1204–1209, 1244, 1267 professionalism, 1191–1203 for safety, 1150–1170 optical storage drives forms of, 79–85 for laptops, 406 practice test on, 108 troubleshooting, 593 USB optical drives, 420 option ROMs, 26 orientation rotation, 427 orthogonal frequency division multiplexing (OFDM), 338 OS X operating system, 1009 OS X Yosemite, 1011 OSI (Open Systems Interconnection) model overview of, 266–268 vs. DOD model, 300 Outlook, 1070 output devices input/output devices, 175–177 list of, 173–175 practice test on, 178–182 overclocking, 575 overwriting drives, 937 ozone, 518, 555
1295
P packet filter firewalls, 901 page printers, 513–518 page-description language (PDL), 529–531 PAGEFILE.SYS, 18 paging files, 18 Palm, Inc., 477 paper feed sensors, 510 feeder, 508, 509 jams dot-matrix, 609 inkjet, 612 laser printer, 616–617 quality of, 551 shredding, 898 transport assembly, 516 tray inkjet, 509, 510 upgrades, 558–559 Parallel ATA (PATA), 86, 593 parallel communications, 9 parallel computer systems, 9 parallel print interface, 528 parity checking, 39–40 partitions, 751, 776 parts bag, antistatic, 1158 passcode locks, 930–931 passive cooling, 58, 61–63 passive hubs, 286 passive matrix OLED (PMOLED) displays, 191 passive-matrix LCD screens, 187–188 Password Policy, 806, 842 passwords attacks on, 908–909 changing default, 940, 942 Keychain, 875 mobile screen lock, 930 network, 376 requiring, 921 screensaver, 914 securing, 898 setting system defaults, 806 strong, 903, 904, 920–921 for user authentication, 755 patch cable, 279, 631
1296
patch management – pixel addressing
patch management Linux and Mac OS, 871 and social engineering attacks, 907–908 user education on, 904 patch panels, 286 pathnames, absolute and relative, 883 paths, file, 692 pay-as-you-go-services, 979 payments credit card readers, 491 mobile options, 1035 on NFC, 488 Pb signal, 152–153 PCI Express (PCIe) expansion slots, 14–15, 118 PCI-Extended (PCI-X) expansion slots, 14 PCMCIA (Personal Computer Memory Card International Association), 414 PDF files, 526 PDPs (plasma display panels), 189–190 peer-to-peer network, 259–260, 261 Peltier cooling elements, 62 Pen And Input Devices applet, 848 Pentium processors heat sinks for, 19 in laptops, 401 Pentium M chip, 401 performance cache as improving, 19 Computer Management tool, 740 faulty. See troubleshooting laptop vs. desktop, 397 network interface card, 270 optimizing hard disk, 753–754 Performance Monitor tool, 740–741 Performance tab, 718 slow mobile device, 604, 1138 slow PC, 1116, 1130 uncoupling drives for, 226 virus symptoms and, 1127 Peripheral Component Interconnect (PCI) expansion slots, 13 peripheral devices. See also device by name A+ exam topics, 113–116 booting Windows from, 776 data destruction methods, 936 interfaces for, 134 port authentication, 941
practice test on, 178–182, 1215, 1249 types of, 115–116 permissions, user, 921 persistence technology, 29 personal area network (PAN), 251, 253–254 personal assistant, 1030–1033 personal computers (PCs). See also desktop computers components of, 5 custom configurations. See custom PC configurations home theater PCs, 232–235 laptop vs. desktop, 396–398 locked up, 1130 networking history, 251 peripheral interfaces, 134 portability of, 395 restart to troubleshoot, 1107 syncing Apple devices to, 1083 toolkit, 1162 un-networked, 249–250 personalization, Desktop, 673 phablets, 469–471 phage virus, 916 pharming, 1128 phase-change cooling, 62 Philips, 363 phishing, 907, 910–911 phone communications, 345 photography, digital, 172 photosensitive laser printer drum, 514 Photosmart Plus, 545 physical layer, 268 physical layer (OSI model), 267 physical security, 896–889 pickup rollers, 508, 509 pickup stepper motor, 508 piconet, 253, 361 piezoelectric effect, 36 PII (personally identifiable information), 1189 pin grid array (PGA) for CPUs, 20, 33 PING command, 632, 640–641 ping of death, 641 ping time, 351 pinwheel, 1111 piracy, media, 157, 833 pixel addressing, 187
pixels – power supplies
pixels aspect ratio of, 209 “dead,” 594 resolution and video memory, 202 plasma displays, 189–190 plastics, laptop, 398 Platform as a Service (PaaS), 976 platters, hard drive, 74, 77 plenum cable, 370 Plug and Play system expansion card recognition, 119, 126 safe device removal, 717 storage device recognition, 95, 96 Universal Plug and Play, 380 USB technology as, 138 point sticks, 413–414 pointer drift, 600 pointing devices, 410–414 point-to-multipoint connections, 351 point-to-point infrared use, 362 Point-to-Point Protocol (PPP ), 342 policies mobile devices, 935 troubleshooting and, 1100 polymorphic viruses, 916 polyvinyl chloride (PVC), 272 POP (Post Office Protocol) function of, 1078, 1079 POP3, 304, 305 at Process Layer, 301 pop-ups, 1128 Port Address Translation (PAT), 318, 379 port forwarding, 380, 383 port numbers, 306, 307 port replicators, 422, 424 portable computers, 395, 396 portable document scanner, 165 ports assignment of, 383 authentication of, 941 common, 135–136 defined, 126 disabling, 943 secure mail, 1079 triggering, 383 POST (power-on self-test) routine boot process, 1112 overview of, 26–28
troubleshooting via, 579–580 POST cards, 580 PostScript, 530 POTS (plain old telephone service), 342 power to CMOS memory chip, 28 density, 424 electrical fire, 1170 ensuring it is on, 1102, 1106 hazards. See electrocution level controls, 941 lights, 29–30 maintaining, 1171–1173 -saving states, 748–749 power adapters, 426 power buttons, 29–30 power circuits, 511 power connectors defined, 23 for fans, 55–57 types of, 100–106 Power Options applet, 720 Power over Ethernet (PoE) technology for ceiling installations, 372 PoE injectors, 289 for Windows 7 networks, 816 power strips, 1171 power supplies A+ exam topics, 71 AC adapters as, 107–108 anti-static strap hazards, 1157 exhaust fans, 54 laptop, 424–427 PoE technology, 289 power connectors, 100–106, 108 practice test on, 109–112, 1214, 1249 printer, 532, 613 replacing, 106–107, 108 safety around, 99, 1151–1153 troubleshooting fixes by fail type, 584–587 laptop/mobile device, 596–598 laser printer, 614–615 odors and smoke, 578 symptoms, 567–568, 575–582 visible damage, 579 USB 2.0 and 3.0, 141–142 voltage ratings, 99–100
1297
1298
Power User account – processor sockets
Power User account, 916 PowerShell, 766 Pr signal, 152–153 Precise Positioning Service (PPS), 474 preemptive multitasking, 665 presentation layer, 267, 268 pre-VGA standards, 205 PRI (Product Release Instruction) updates, 1043 prices DSL discounts, 345–346 Internet comparisons, 355 laptop vs. desktop, 396 legacy system replacement, 974 mobile hotspot, 1039 networking cable, 284, 349 virtualization to reduce, 985, 986 primary (extended) partition, 751 primary rate interface (PRI), 348 print buffer, 512 print head alignment, 611 defined, 503 in dot-matrix printers, 505 in inkjet printers, 506 Print Management, 809–810, 845 print queue, 626–628 print servers AirPrint, 542 defined, 255 functions of, 959–960 security issues, 550 print sharing, 240 print spooler, 629–630 printed circuit boards (PCB), 5–6 printer banks, 363 Printer Command Language (PCL), 530 printer drivers, troubleshooting, 607 Printer Properties dialog, 534–538 printers A+ exam topics, 500–501 cloud printing, 546–550 control circuits, 511 controller assembly, 518 daisy-wheel, 503–504 defined, 502 dot-matrix, 504–505 environmental issues, 555–556 inkjet, 505–513
installing local, 532–541 installing networked, 542–550 interfaces components, 527–529 overview of, 527–5332 software, 529–532 laser, 513–518 maintenance how-to, 550–556 memory card slots, 91–92 practice test on, 560–565, 1229, 1256 safety around, 1154 technology options, 500 thermal, 524 troubleshooting dot-matrix, 608–609 garbage prints, 531, 532, 622 inkjet, 610–613 install issues, 607 job managment, 626–630 laser, 613–626 symptoms, 571–572 upgrading, 550, 556–559 virtual, 525–527 Printers applet, 852–853 privacy filters, 188 laws, 1201–1202 public printer issues, 550 smart headset invasions, 484 upholding, 1199 private clouds, 978 private IP addresses, 316–318, 379–380 private side, firewall, 288, 382 PRL (Preferred Roaming List) updates, 1043 problem identification, 1101–1104 Problem Report Settings, 804 Problem Reports And Solutions applet, 850–851 procedures mobile devices, 935 troubleshooting and, 1100 process identification (PID), 882 Process/Application layer, 301–306 processing, EP print, 518, 614 processor sockets chip creep, 577 for CPUs, 19–22 matching components, 36
processors – RAM (random access memory)
processors A+ exam topics, 3–4 laptop, 400–401 multicore processors for graphic and CAD/CAM design, 223 for virtualization work, 228 practice test on, 1212–1213, 1248 in-printer, 530 removing/replacing laptop, 443–444 throttling, 401 product keys, 1187 professionalism, 1191–1203 Program and Features applet, Windows 7, 819 program windows, 685 programmable ROM (PROM), 50 programs. See applications prohibited content, 1189 projection systems, 192–194, 569 propagation delay, 350, 351 proprietary docking ports, 424 proprietary power connectors, 105 protective covers, 491 proxy firewalls, 901–902 proxy servers, 968–969 ps ax command, 881, 882 PS/2 cables, 145–146 PS/2 ports for laptops, 422 overview of, 133–134 photo of, 135–136 PS/2-to-USB adapter, 147 public clouds, 978 public IP addresses, 316–318, 379–380 public key encryption, 604–606 public key infrastructure (PKI), 1132 public side, firewall, 288, 382 Public Switched Telephone Network (PSTN), 120 punch-down tools, 638 punctuality, 1196–1197 PXE-initiated boot, 773, 797
Q q command, 881 Quad processors, 35
Quad XGA (QXGA), 209, 210 Qualcomm, 352 Quality of Service (QoS) strategy function of, 384–385 Windows 7, 816 Windows Vista, 854, 855 quarantines, 1128, 1136 quick format, 751 Quick Launch, 675 Quick Response (QR) codes, 166 QWERTY layout, 161
R radar interference, 335 radio firmware, 1042 RADIUS servers, 378, 970 RAID (Redundant Array of Independent Disks) creating RAID volumes, 752 hardware types, 87–88 for home servers, 241 to increase drive capacity, 227 troubleshooting, 568, 591–593 RAID 0 (disk striping) creating RAID volumes, 752 defined, 87–88 to increase drive capacity, 227 points of failure, 592 RAID 1 (disk mirroring), 88, 592, 752 RAID 10 (RAID 1+0), 88, 593 RAID 5, 88, 593, 752 RAID 6, 88 RAM (random access memory). See also memory characteristics of, 38–43 component matching, 36 CPU choices, 48–49 for gaming, 231 maximizing, 224, 228–229 MicroDIMM, 403 practice test on, 65–68 resolution requirements, 202 slots, 16–19 for thick clients, 222 troubleshooting, 567, 575–582 virtualization needs, 987–988
1299
1300
ransomware – restores
ransomware, 918 rapid elasticity, 979 RAS (Remote Access Service), 342 Raster Image Processor (RIP), 518 raster line, 518 rasterizing, 518 RAW (Standard TCP/IP Port Monitor) protocol, 544 RC-5 protocol, 363 RCA cables, 144 RCA jacks, 132 RCA plugs, 132 RCO jacks, 119 RD command, 722–723 RDP (Remote Desktop Protocol), 305 read/write heads, 74 ReadyBoost Windows 7, 789, 791 Windows Vista, 831 ReadyDrive, 791 real-time operating systems (RTOSs), 1042, 1043 rear exhaust fan, 54 rear projection systems, 192 rear stereo channel, 137 rebooting for software issues, 1108, 1115 as universal solution, 1104, 1107, 1130 receivers, GPS, 475 Recent Items submenu, 679 recordable storage discs, 82–85 recovery partition, 774, 776 Recycle Bin, 684–685 recycling best practices, 936 computer equipment, 1181–1185 ink and toner, 553, 1185 Red Hat, 877 redirection of browsers, 1128 redundancy, 236 refresh rate adjusting, 195–199 for plasma displays, 190 and soap-opera effect, 190 refreshing OS installations, 774 Region And Language Options, 713–714 registered ports, 307 Registry, Windows, 731–732
Registry Edit, 1123–1124 REGSVR32 tool, 1123 reinstalling Windows, 1126 remote controls, 363 remote data wipes, 931–934 Remote Desktop Connection (MSTSC), 745–748 Remote Desktop Protocol (RDP), 302 Remote Desktop Web Access, 810–811 Remote Disk, 877 Remote tab, 720 RemoteApp, 810–811 removable storage devices, 89 repairs discs for, 1119–1120 of OS installs, 774 tools for, 432, 433, 1162 Windows, 1126 repeaters, 285 repetitive strain injuries (RSIs), 169 repurposing, best practices, 936 Research In Motion (RIM), 465, 468–469 reset button, 30 Reset CMOS jumper, 24 resistive interfaces, 175 resistive touchscreens, 1026 resolutions adjusting display, 199–202 advanced video, 207–211 graphic adapter for special, 226 and memory size, 205 native resolution, 211 practice test on, 213 resource access acceptable use policies, 905 and antenna placement, 941 cloud pooling for, 979 QoS strategy to aid, 385 via Bluetooth, 1037 via operating systems, 662–663 resource pooling, 979 respect, 1199–1200 responsiveness issues, 603–607 restarting computers, 1107 restores. See also System Restore from backups, 869 Linux/Mac OS tools, 873 mobile security, 1141
retrovirus – secret self-test
of OS installs, 774 restore points, 690–691, 732 of windows, 688 retrovirus, 916 RF Explorer, 639 RF power values, 941 RFI (radio frequency interference), 1159 RFID (Radio Frequency Identification) badges, 899 RGB separation, 151–152 ribbon, inked, 503, 505, 552 right-clicking, 159 rightmost directory group, 884 ring topology, 262–263 riser cards, 124–125 RJ (registered jack) connector, 128, 278 RJ-11 connectors, 128, 278 RJ-45 connectors, 128, 278 rm command, 886–887 rmdir command, 887 roaming, data, 1051 ROBOCOPY command, 726 ROM (read-only memory), 43, 50 ROM BIOS chip, 24 root, becoming, 881, 883 root directory, 692, 749 root file access, 1025 root servers, 966–967 rootkits, 910 routers on the DSL line, 344 function of, 287–288 ping blocks on, 641 shared Internet connections, 381 wireless configuring, 373–380, 385–386 installs, 371–373, 385–386 routing tables, 287 RSA tokens, 899, 971 Run command, 679–680
S Safe Mode boot, 1111, 1116, 1124–1125 Safely Remove Hardware, 95, 447 safety. See also electrocution accidents, 1168–1170
burns from fried parts, 585 hardware disposal, 1170, 1177–1186 hazards, 1151–1161 with power supplies, 99 practice test on, 1204–1209 procedures, 1150–1170 via attentiveness, 1167 workplace, 1161–1170 Samsung Galaxy Note, 470 Gear watch, 477 micro USB chargers, 485 NX500 camera, 476 sanitation, hard drive, 936–937 SATA (serial ATA) drives for graphic design, 226 headers, 73, 135 overview of, 85, 86–87 power connectors, 105–106 sanitation of, 937 SATA 1.5Gbps, 86 SATA 3Gbps, 86 SATA 6Gbps, 86 satellite Internet, 350–352 satellites, GPS, 473 satisfaction, customer, 1194–1195 scalability, 976 Scalable Link Interface (SLI), 16, 231 scan line, 518 scanners, 163–165 scatternets, 254 scheduled backups, 868–869 scientific method, 1105 screen calibration, 1026–1029 screen locks, 930–931 screen orientation, 1023 Screen Saver tab, 673, 674 Screen Sharing utility, 874 screens, laptop, 429 screensaver passwords, 914 screwdrivers, 433, 1163 screws, stripping, 433, 1163 Scythe Ninja, 61 SDR SDRAM, 45 sealing, 26 Search menu, 679, 790 secondary storage, 460 secret self-test, 623
1301
1302
sectors, hard drive – servers
sectors, hard drive, 74, 75 Secure Boot, 26 Secure Digital (SD) cards, 90 Secure Sockets Layer (SSL), 1079 security A+ exam topics, 893–895 Apple Pay, 488 attacks common threats, 907–920 on iOS, 489 NAT hacks, 318 on NFC networks, 488 on unsecured networks, 369 via public Wi-Fi, 409 authentication server, 971 of backups, 869 BIOS system role in, 26 cable locks, 431–432 on the cloud, 976 data disposal methods, 935–939 in data transport, 871 digital preventions, 899–905 document, 898 email filtering, 906 false alerts, 1129 file permissions, 697 firewalls. See firewalls home network, 372 hotspot, 1039 infrared network, 362 Internet appliances for, 971–973 least privilege principle, 906 Linux/Mac OS updates, 873 management of, 255 mobile device, 929–934 patch management, 871 persistence technology, 29 physical preventions, 896–889 practice test, 945–950, 1239, 1264 public printers, 550 quarantines, 1128 risks Google Glass, 484 outdated firmware, 376 reducing user, 905, 906 SSID broadcasts, 634, 940 SSO passwords, 755 unsecured networks, 369
UPnP, 380 setting system defaults, 805–807 troubleshooting A+ exam topics, 1097 fix tools, 1132–1136 malware removal, 1136–1137 practice test on, 1142–1146, 1243– 1244, 1267 symptoms, 1127–1132 trust issues in, 911 user education on, 905 via HTTPS, 303–304 via webcam use, 170 virtualization needs, 990 Windows settings, 915–921 in wired networks, 358 wireless network protocols, 339–340, 387 risks, 359, 939 for workstations, 920–923 Security Center as Action Center, 720, 803 Windows Vista, 831, 840, 860 Security Options, 807, 843 Security+ test, 896 Selective Availability (SA), 474 self-grounding, 1158–1159 self-tests, 622–623 sensitive data, 1189–1191 separator pads, 508, 509, 612 serial print interface, 528 Server Message Block (SMB), 302 server-based networks, 261 servers A+ exam topics, 954 antivirus software for, 914 data intercept attacks, 909 in email configuration, 1079–1080 home server PCs, 236–241 management tips, 955 network, 255–256, 363 practice test on, 995–1001 print servers, 542 roles/types of, 956–971 for thin clients, 235–236 user authentication, 755 vs. workstations, 257 water safety for, 1160
service call tips – SODIMM (small outline DIMM)
service call tips, 1191–1202 service packs, 794 Services tool, 740 service-set identifier (SSID), 332 SERVICES.MSC, 740 session layer (OSI model), 267 set-top box (STB), 177 SFC command, 726–727, 1118–1119 SFTP (Secure File Transfer Protocol), 305 shadow copies, 869 Shadow Copy Service, 789, 831 Shared Folders tool, 739 ShareNet, 251 shares administrative vs. local, 754 NTFS, 917–919 printer, 537–539 for wired networks, 943 shareware, 1187 shell commands (Linux), 874, 878 shell program, 664 shielded twisted-pair (STP), 277 shielding, 140 shortcuts, Windows, 680 shoulder surfing, 911 Show Hidden Files/Folders, 715–716 shredders, drive, 937 Shred-it, 938 Shut Down command, 680 SHUTDOWN command, 722 shutdown state, 749, 1113–1114 side stereo channel, 137 Sidebar Windows 7, 788 Windows Vista, 830, 859–860 signal (D) channel, 348 signal modulation techniques, 337–338 signature files, 916 signatures, malicious, 972 Simple NDEF Exchange Protocol (SNEP), 488 Simple Service Discovery Protocol, 380 simultaneous multithreading (SMT), 33 Single Connector Attachment (SCA), 95 single point of failure, 262–263 single sign-on (SSO), 754–755, 920 single user software, 1187 single-channel memory, 41, 42
1303
single-mode fiber (SMF) cable, 281 single-sided memory, 41 Siri, 1030–1031 site license, 258 64-bit operating system, 665 64-bit processors, 37, 786, 830 Skandier, Toby, 194 slate mode, 462 sleep modes, 401 sleep state, 748 SLI, 16, 231 slowdown modes, 401 S.M.A.R.T (Self-Monitoring, Analysis, and Reporting Technology), 589–591 smart cameras, 476–477 smart cards overview of, 899 readers, 169–170, 420 smart TV, 176–177 smart watches, 477–479 smartphones barcode scanning, 165–166 characteristics of, 463–469 leading OS platform, 1011–1012 multiple OSs for, 1042 as portable computers, 395 as security risk, 905 Wi-Fi calling, 1034 SMB (Server Message Block), 305 S/MIME settings, 604–606, 1081–1082 smoke, 578 smoking, 1174 SMTP (Simple Mail Transfer Protocol), 301, 305, 1078 smurf attacks, 903 snap tool, 790 snapshot, system, 1135 sneakernet, 250 SNMP (Simple Network Management Protocol), 305–306 soap-opera effect (SOE), 190 social engineering defined, 907–908 phishing as, 910–911 physical barriers to, 897 sockets. See processor sockets SODIMM (small outline DIMM) defined, 17
1304
software – Start menu
for laptops, 402–403, 438 overview of, 53–54 software. See also operating systems acceptable use policies, 905 custom configurations, 221 development, 227, 1042 for digital security, 899–905 firewalls, 288, 382, 900–903 hypervisor, 986–987 licenses, 1186–1189 malware, 909 for network clients, 256 NLE, 226 OS compatibility with, 222 Print function, 512–513 printer interface, 529–532 rootkits, 910 sound, 137 source code, 1013 sync requirements, 1089–1092 as tech issue source, 1104 troubleshooting for hard drives, 588 for printers, 607 rebooting for, 1115 S.M.A.R.T, 589–591 trusted sources, 911 Software Asset Management, 1188 SOHO wired networks, 942–945 SOHO wireless networks A+ exam topics, 329–330 configuring, 373–381 firewalls, 382–384 installing, 363–373 internal connections, 356–363 Internet connections, 341–356 practice test on, 387–391, 1224, 1254 routers, 385–386 security for, 939–942 solenoid, 503 solid-state drives (SSDs) booting Windows from, 777 laptop, 404–405 for mobile devices, 460 overview of, 77–79 solid-state hybrid drives (SSHD), 78–79 Solo processors, 35 solution tests, 1105–1107
sound card jacks, 136–137 sound cards, 119 source code, 664, 1013 Southbridge chipsets, 11–12 space parity, 40 spam, 1131 spambots, 920 S/PDIF (Sony/Philips Digital Interface) for gaming, 232 for home theater PCs, 234 implementing, 133 transmission quality, 119 speakers for mobile devices, 490 troubleshooting, 606, 1138 spear phishing, 911 speed, processor, 36 splitter, coax, 275 spoofing attack, 918–919 spooler, print, 629–630 sports, watching, 190 Spotlight, 875 Sprint, 1034 spyware, 903, 911–912 square connector, 283 SRAM (static random access memory), 43, 49 SSH (Secure Shell), 306 SSID (service-set identifier) configuring, 373, 374, 376 disabling broadcast, 940 not found, 634 security issues, 339, 940 SST certification, 304 stabilizer bar, 508 standard formatting, 936 Standard HDMI cables, 149 standard peripheral power (Molex) connectors, 101–102 standard permissions, 697 Standard Positioning Service (SPS), 474 standard SSDs (solid state drives), 77–78 standard thick client, 222 star topology to network peripherals, 143 overview of, 262–263 pros and cons, 265 Start menu overview of, 676–678
Startup And Recovery options – tablets
as Taskbar item, 674 Windows 8/8.1, 766, 768 Startup And Recovery options, 719 STAT column, 882 stateful inspection firewalls, 902 static charge, 1107 static IP addressing, 315 static shock, 1155–1159 static-charge eliminator strip, 517, 617 status light indicators, 578, 596 stealth virus, 916–917 stepper motor defined, 507 problems, 609, 612 stereo minijacks, 137 storage area network (SAN), 958 storage devices A+ exam topics, 71 for backups, 869–870 basic and dynamic drives, 751 the cloud, 765, 980–982, 1087 configuring/installing/removing, 95–98, 108 drive interfaces and RAID, 85, 87–88 file servers as, 958–959 flash memory, 90–95 laptop, 403–405 mobile SSDs, 460 optical, 79–85 preparing disks for storage, 749–752 recognition of, 95 removable, 89 SATA drives, 86–87 solid-state drives, 77–79 test on, 109–112, 1214, 1249 troubleshooting, 588–593 straight-tip fiber-optic connectors, 283 streaming home server, 237–240 USB supports, 141 Stuxnet, 919 su - command, 881 submarining, 188 subnet masks, 310, 316, 815 subscriber connector (SC), 283 subscriber identity module (SIM), 1043 subwoofer channel, 137 Super AMOLED displays, 192
Super AMOLED Plus displays, 192 Super VGA (SVGA), 207–208, 210 Super XGA (SXGA), 210 SuperSpeed USB 3.0, 130, 138, 139 supervisor password, 26 surge protectors, 1171 surround sound setup, 136–137 SuSE, 877 swap files, 18 switches, 263, 287 swollen battery, 597–598 SXGA+, 210 Symantec’s AntiVirus Research Center (SARC), 1133 symmetric DSL (SDSL), 344 symmetric multiprocessing (SMP), 33 synchronization Android device, 1088–1089 Apple device, 1083–1087 defined, 1082 software requirements, 1089–1092 Synchronous DRAM (SDRAM), 45 syncing devices, 484, 1004–1005 System applet, 716–720 system boards. See motherboards System Configuration tool Windows 7, 807–808 Windows Vista, 843–844 system files, 920 system partition, 776 System Protection tab, 720 System Recovery Options, 722, 1119 System Restore creating restore points, 690–691 post-infection, 1135 Windows 7, 798–799 Windows Vista, 837–838, 860 System Startup, 719 system tray, 674
T T1 connections, 254 Tablet PC Settings applet, 847 tablets characteristics of, 461–463 leading OS platform, 1011–1012
1305
1306
TACACS+ – touchscreens
as portable computers, 395 vs. e-readers, 472–473 TACACS+, 970 tailgating, 897 tape backup devices, 89 Task Manager, 734–739 Task Scheduler tool, 741–742 Taskbar overview of, 674–676 Windows 7, 790 TASKKILL command, 721 TASKLIST command, 722 TCP printing, 543–544 TCP/IP (Transmission Control Protocol/ Internet Protocol) A+ exam topics, 297–298 APIPA, 318–319 configuration options, 961 email protocols, 1078–1080 hijacking, 910 HTTP of, 957 IP addressing, 308–322 properties and protocols, 298 structure of, 300–308 test on, 323–328, 1224, 1254 troubleshooting, 319 TCP/IPv4, 366, 367 technology, progress of, 456, 975 Telnet, 306 TEMP variables, 719 temperatures, and BIOS shutdown, 25 Temporal Key Integrity Protocol (TKIP), 340 10Base2, 273 10Base5, 273 terminal adapters, 348 terminal prompt, 1135 Terminal utility, 874 test page printing, 539, 626, 630 tethering, 354, 490, 1038–1039 text mode, 206 thermal paste, 59–60 thermal printers, 524 thermoelectric coolers (TECs), 62 thick clients, 222 thicknet coax, 274 thin clients, 235–236 ThinkPads, 413 thinnet coax, 274
32-bit flat mode, 1112 32-bit operating system, 665 32-bit processors defined, 37 Windows 7 for, 786 Windows Vista for, 830 threats, security, 907–920 3D model production, 224 3G mobile technology, 352 throttling in desktops, 35 in laptops, 401 Thunderbolt cards eSATA similarity, 227 for input/output, 120 interface for, 154, 155–156 for laptops, 421 Thunderbolt-to-DVI converter, 156 TIME column, 882 Time Machine, 873 time zone changes, 712 T-Mobile, 1034 token, network, 269 Token Ring, 263 tokens, security, 899 TomTom, 475 toner. See also cartridges, printer cartridge, 514, 618 cleaning up, 1176 for laser printers, 513 probes, 636 recycling laser, 523, 1185 replacing, 552, 553 shipping printers without, 515 tools laptop disassembly, 432, 433 safety via proper, 1162–1164 top panel, 29–30 topology, networking forms of, 143, 261–265 practice test on, 295 Torx drivers, 433, 938 Toshiba, 133 TOSLINK interface, 133 TouchFLO, 460 touchpads, 159–161, 411–413 touchscreens iPhone, 1009
TRACERT (trace route) command – UPS (uninterruptible power supply)
nonresponsive, 604 overview of, 175, 414 resistive and capacitive, 462 sensor calibration, 1022–1029 software interfaces, 459–460 troubleshooting, 1138 Windows 7, 791 TRACERT (trace route) command, 645 trackballs, 410 tracks, hard drive, 74, 75 tractor feed, 503 Tracy, Dick, 477 trailing dot, 966 transfer corona assembly, 516–517, 619 transferring, EP print, 521–522, 614 transformers, 511 transport layer (OSI model), 267, 268 Transport Security Layer (TSL), 1079 tray, printer, 558–559 tree topology, 143–144 triangulation, 474 trip prevention, 1165, 1166 triple-channel memory, 41 Trojan horses, 304, 918 troubleshooting. See also specific component by name A+ exam topics, 1097 documenting fixes, 1109–1110 establishing theory, 1105–1107 grounding during, 1107 identifying problems, 1101–1104 mobile devices, 1137–1139 plan of action, 1107–1109 practice test on, 652–658, 1142–1146 road maps for, 434 security mobile device, 1139–1142 symptoms, 1126–1137 test on, 1243–1244, 1267 testing function, 1109 tips for effective, 573–574 tools, 1162–1164 via sequential changes, 1110 Troubleshooting applet, 810–811 Trusted Platform Module (TPM), 26, 817 tunneling, VPN, 907 TV, 349, 363 TV tuner cards, 120, 235
1307
TWAIN drives, 163 twisted nematic (TN) screens, 185–186, 429 twisted-pair cables, 276–280 Type 1 hypervisor, 986, 988 Type 2 hypervisor, 986, 987 Type A USB connector, 138 Type A USB converter, 142 Type B HDMI interface, 151 Type B USB connector, 138 Type B USB converter, 142 Type C HDMI interface, 151 Type D HDMI interface, 151
U ubiquitous access, 979 Ubuntu, 877, 878 UDP (User Datagram Protocol), 301, 903 UEFI (Unified Extensible Firmware Interface), 24, 1118 UHD 4K, 210 Ultra XGA (UXGA), 209 unattended installation, 773 unbuffered (unregistered) memory modules (UDIMMs), 42–43 unicast IPv6 addresses, 320 Unicode, 713 unified threat management (UTM), 972–973 UNII (Unlicensed National Information Infrastructure), 336 uninstalling Windows, 1126 United States Department of Defense (DOD), 473, 474 Universal Plug and Play (UPnP), 380 Universal Product Code (UPC) barcodes, 166 UNIX, 1009, 1025, 1135 unshielded twisted-pair (UTP), 277 Upgrade Assistant (Upgrade Advisor), 791– 792, 796 upgrading options for, 791 vs. clean installs, 769–770, 778 to Windows 7, 792–796 Windows 7, 796–797 up-plugging, 16 UPS (uninterruptible power supply), 1172–1173
1308
USB (Universal Serial Bus) cables – VGA standards
USB (Universal Serial Bus) cables, 137–142 USB (Universal Serial Bus) ports characteristics of, 129 commonality of, 135 defined, 32–33 for laptops, 419–420 for printer interface, 528 as security risk, 905 USB 2.0 cable lengths, 140 chart of USB speeds, 138 differences from 3.0, 140–142 ports, 130 USB 3.0 cable lengths, 140 chart of USB speeds, 138 differences from 2.0, 140–142 interface color coding, 139 ports, 130 USB 3.1, 227 USB A to B converters, 142 USB card readers, 93, 420 USB cards, 120 USB devices debugging, 1092 flash drives, 90, 94 recovery drives, 775 safe removal of, 446, 447 to sync mobile devices, 485 USB printer installation, 540–541 USB hubs, 139–140 USB Micro-B connector, 139 USB NIC, 270 USB optical drives, 420 USB-to-Ethernet adapters, 121, 122 use policies, 905 User Account Control settings, 1116 Windows 7, 788, 817–818 Windows Vista, 831–832, 857–858 User Accounts applet, Windows 7, 818 User Datagram Protocol (UDP), 903 user password, 26 User Rights Agreement, 807 User Rights Assignment, 843 User State Migration Tool (USMT), 796, 835 usernames, 940, 942
users as aid in problem ID, 1101–1103 authenticating for security, 903 server for, 970–971 single sign-ons, 754–755, 920 Control Panel variables, 718–719 data intercept attacks, 909 default accounts for, 916–917 errors by, 1107, 1108 failed login attempts, 914 groups and, 804–805, 840–841 least privilege principle, 906, 921 migrating settings, 796, 835 multiple networked, 252 profiles, 719 as security risks, 920 as tech issue source, 1101 training on printers, 540, 541 in security, 905, 908, 910, 943 in shutdowns, 1113 USMT (User State Migration Tool), 796, 835 utilities Control Panel, 709–721 icons for, 680–685 minimizing, 688 UTP cables, 277
V vacuum, computer, 1175 vampire taps, 274 variable length subnet masking (VLSM), 317 vehicle/iPhone Bluetooth setups, 1067–1069 vender-specific software, 1013 Verizon, 349, 1039 Verizon Wireless MiFi device, 1039 very high bit-rate DSL (VDSL), 344, 345 VGA interface, 185 VGA mode, 594 VGA standards characteristics of, 206–207 DVI as superior to, 148 pre- and post-, 205 replacing, 146 technology comparison chart, 210
VGA/USB switch – webcams
VGA/USB switch, 176 video adjustments, 408 video capture devices, 172 video cards chipset fan, 55 defined, 118 laptop, 427–428 troubleshooting identifying issues, 593–595 laptop/mobile device, 598–599 symptoms, 569 upgrading laptop, 439–440 video capture cards, 120 video display cables, 146–157 video display unit (VDU), 184 Video Electronics Standards Association (VESA), 154, 421 video enhancements for audio/video editing, 225 for gaming, 231 for graphic and CAD/CAM design, 224 for home theater PCs, 234 video gaming console, 491 video jacks, 132–133 video memory, 202, 428 video standards non-adjustable characteristics, 211–212 post-VGA and advanced, 207–211 pre-VGA and VGA, 205–207 virtual assistant, 1030–1033 virtual desktop interface (VDI), 698, 988 virtual FAT (VFAT), 750 virtual machine manager (VMM), 986–987 virtual machines (VM) purpose of, 985–986 RAM required for, 229 resources for, 227–228 updates to, 698 virtual memory, 18, 584 virtual NIC, 988–989 virtual printers, 525–527 virtual private networks (VPNs) configuring Android, 1054–1056 configuring iOS, 1052–1054 as security measure, 906–907 VirtualBox, 991–995
1309
virtualization A+ exam topics, 953 client requirements, 987–991 in cloud computing, 975 function of, 984–986 hypervisor, 986–987 practice test on, 996–1001, 1240, 1266 setting up, 990–991 support, 37 Windows options, 698–699 workstations for, 227–229 viruses CERT website, 1129 defined, 1132 infection symptoms, 1127–1128 rogue antivirus as, 1131 types of, 912–917 vishing, 911 Vizplex, 472 VMware Player, 698 voice communications, 345 VoIP industry, 165, 911 voltage lethal, 1152 matching laptop to regional, 425–426 of PC power supplies, 100, 107 volts direct current (VDC), 99
W Wake on LAN (WoL), 816, 854 walk-up infrared use, 362 Walters, Jamie, 1195 warm-swappable devices, 95 warranties, 433 waste, hazardous, 1170, 1177–1186 watches, smart, 477–479 WatchOS, 478 water safety, 1160, 1169 wattage of power supplies, 99 wearable technology, 477–484 weather satellite signal interference, 350 -station radar, 335 web servers, 957–958 webcams, 170, 430
1310
weight, paper – Windows 7
weight, paper, 551 well-known ports, 307 WEP.x, 339 WET (Windows Easy Transfer), 796, 835 whaling, 911 wide area networks (WANs) defined, 250, 252–253 speed of, 254–255 Wide Ultra XGA (WUXGA), 209 widescreen displays, 209 Widescreen XGA (WXGA), 210 Wi-Fi Alliance, 373 devices, 253 802.11 standards, 331–339 laptop antenna, 431 mobile configuration, 1045–1056 mobile security, 1140, 1141 phone calls via, 1034 printer interface, 529 syncing over, 1086 Wi-Fi Protected Access (WPA), 340 Wi-Fi Protected Access 2 (WPA2), 340 Wi-Fi Protected Setup (WPS), 942 wildcards, 694 Windows Action Center, 1127 activating, 833 administration. See administration, Windows All Programs submenu, 678–680 Anytime Upgrade utility, 796 battery life support, 597 command-line diagnostics, 721–730 configuration Registry, 731–732 Control Panel, 709–721 Defender overview of, 1134 Windows 7, 790, 799, 1134 Windows Vista, 838 Desktop, 671–674 features of, 699–701 file management, 691–698 Firewall applet, 720, 790, 799 Firewall with Advanced Security, 800, 801 Google Cloud Print support, 549 hardware requirements, 665–669
icons, 680–685 Media Player, 237 Memory Diagnostics, 810, 846 mobile operating system, 463 mouse click options, 672 network operating systems, 259 practice test on, 702–706 Print To XPS option, 527 program windows, 685–688 restore points, 690–691 security settings, 915–921 service packs offered, 794 smartphones, 467 Start menu, 674, 676–678 sync requirements, 1089–1090 Taskbar, 674–676 troubleshooting security, 1127 symptoms, 1110–1118 tools for, 1118–1126 universal solutions, 1130 updates, 689–690 upgrade utility, 669 user interface (UI), 669–685 Windows 7 A+ exam topics, 783–784 administrative tools, 804–810 All Programs submenu, 678–680 boot sequences, 797–798 Control Panel utilities, 810–813 Desktop, 671–674 disabling touchpads, 411–413 Disk Management utility, 752 editions of, 785–787 features of, 699–701, 787–791, 798–804 installing, 791–796 interface, 669–670 IP address renewal, 643–644 Lubuntu/VirtualBox installs, 991–995 media streaming setup, 237–240 MSCONFIG tabs, 742–744 multiple monitor settings, 202–204, 213 networking options, 813–816 performance optimization, 817–819 practice test on, 819–825, 1235, 1259 print spooler management, 629–630 printer additions, 532–534 printer configuration, 534–539
Windows 7 Enterprise – wired networks
proxy server config., 968 refresh rate adjustment, 195–198 resolution adjustment, 200–202 Start menu, 676–677 system requirements, 667, 669 Taskbar, 674 TCP printing installation, 543–544 Upgrade Assistant, 794–795 upgrading, 796–797 USB printer installation, 540–541 Windows 7 Enterprise, 785, 786 Windows 7 Home Basic, 785 Windows 7 Home Premium, 785, 792 Windows 7 Professional, 785, 786, 792 Windows 7 Starter, 785 Windows 7 Ultimate, 785, 786, 792 Windows 8 Enterprise, 764, 770 Windows 8 Pro, 764, 770 Windows 8 RT ARM processor, 765 defined, 764 no upgrade options to, 770 Windows 8/8.1. See also Windows A+ exam topics, 763 All Programs submenu, 678–680 boot methods, 776–777 Desktop, 671–674 editions of, 764–769, 778 features of, 699–701 installing, 769–775, 778 interface, 670–671 practice test on, 778–782, 1234–1235, 1259 Start menu, 676, 678 system requirements, 667, 669, 764 Taskbar, 674 Upgrade Assistant, 770–772 upgrade options, 770 Windows Display Driver Model (WDDM), 202 Windows Easy Transfer (WET), 796, 835 Windows File Explorer. See Explorer Windows Phone, 1012–1013, 1021–1022 Windows Preinstallation Environment (WinPE), 797, 1120 Windows Store, 766, 1021–1022 Windows To Go (WTG), 777
1311
Windows Vista. See also Windows A+ exam topics, 827–828 administrative tools, 840–846 All Programs submenu, 678–680 boot sequences, 835–836 editions and features, 836–840 features of, 699–701, 829–832 installing, 832–835 restore point creation, 1136 Sidebar, 676 system requirements, 668 Taskbar, 674 test on, 860–865, 1236, 1262 upgrade options, 792–793 Windows Vista Business, 793, 829, 834 Windows Vista Enterprise, 829, 834 Windows Vista Home Basic, 793, 829, 834 Windows Vista Home Premium, 793, 829, 834 Windows Vista Ultimate, 793, 829, 834 Windows XP Home, 833 Media Center, 834 Run box, 303 upgrade options, 792–793 wireless connectivity, 368 Windows XP Professional, 833, 834 Windows XP Tablet PC, 834 WINDOWS.OLD, 832 WINDOWS.OLDIPCONFIG, 832 WINLOAD.EXE troubleshooting via, 1112 Windows 7, 797 Windows 8/8.1, 776 Windows Vista, 835 winlogon, 1113 WINRESUME.EXE troubleshooting via, 1112, 1113 Windows 7, 797 Windows 8/8.1, 776 Windows Vista, 835 winver command, 787 wipes, data, 931–934, 938 Wired Equivalent Privacy (WEP), 339–340 wired networks. See also networks conflicts with wireless, 601–602 installing, 356–359 for mobile devices, 484–486 SOHO security, 942–945
1312
wired printer interfaces – zone files
for SOHO use, 356–359 troubleshooting A+ exam topics, 569–570 common symptoms, 630–634 tools for, 635–652 wired printer interfaces, 528–529 wireless access point (WAP), 338, 371 wireless LAN (WLAN), 332, 359 wireless networks. See also networks A+ exam topics, 329 as built into laptops, 401 configuring connection, 368–370 conflicts with wired, 601–602 802.11 standards, 331–339 internal connections, 359–363 laptop settings, 409 locator tool, 639 for mobile devices, 486–490 for printer interface, 529 router configuration, 373–380 security data intercepts, 909–910 encryption, 339–340 SOHO networks, 939–942 smartphone capacities, 464 test on, 1224–1226, 1254 troubleshooting A+ exam topics, 569–570 common symptoms, 630–635 laptop/mobile, 600–603, 1137 software, 639–652 upgrading laptop cards, 439 vs. wired, 331, 356 wireless personal area network (WPAN), 253 wireless print interface, 529 wireless printers, connection issues, 607 wireless routers installs, 371–373, 385–386 shared Internet connections, 381 wireless wide area network (WWAN), 814 wiring standards, 568A and 568B, 279–280 work groups, 816–817 workgroups, 259, 260 working copy backups, 869 workplace safety, 1162–1170 workstations acceptable use policies, 905
antivirus software on, 914 custom. See custom PC configurations MAC address ID, 942 network, 256–257 OS upgrades via, 773 security practices, 920–923, 943 vs. servers, 257 World of Warcraft, 230 worms, 917 WPA2, 910 WPA2 Enterprise, 378 WPS (Wi-Fi Protected Setup), 942 WQUXGA, 210 WQXGA, 210 wrist straps, anti-static, 1156, 1163 writing to disk process, 753 in EP printing, 520, 614 hard drive failure in, 588 overwriting drives, 937
X x64 operating systems, 665 x64 processors, 765 x86 operating systems, 665 x86 processors, 765 XCOPY command, 725–726 Xerox, 513 XP Mode, 790 XPS (Open XML Paper Specification) files, 527
Y Yahoo! 1070
Z zero configuration networking, 318–319 zero insertion force (ZIF) sockets, 20 zero-day attack, 919 ZIF sockets, 443, 444 zombies, 919 zone files, 964
