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Latest E20-065 exam dumps Advanced Analytics Specialist Exam for Data Scientists
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1.Given an input vector of features, a Random Forests model performs a classification task and ends in a tie. How does the model handle this outcome? A. The model will be rebuilt B. A winner is chosen at random C. The tree that caused the tie is discarded D. One more tree is added to the forest Answer: B 2.Which HDFS feature protects against user errors causing accidental loss of data? A. Encryption B. Replication C. Namenode federation D. Snapshots
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3.What process must address acoustic ambiguity in NLP? A. Part-of-speech tagging B. Word sense disambiguation C. Speech recognition D. Discourse
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Answer: B
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Answer: C
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4.A data engineer is asked to process several large datasets using MapReduce. Upon initial inspection the engineer realizes that there are complex interdependencies between the datasets. Why is this a problem? A. MapReduce works best on unstructured data B. There is no problem; MapReduce accommodates all the data C. MapReduce can only parse one file at a time. D. MapReduce is not ideal when the processing of one dataset depends on another. Answer: D 5.What is a characteristic of stop words? A. Used in term frequency analysis B. Include words such as "a", "an", and "the" C. Meaningful words requiring a parser to stop and examine them D. Don't occur often in text Answer: B
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