Data Scientist E20-065 dumps

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E20-065 Advanced Analytics Specialist
Exam for Data Scientists

• REAL QUESTIONS,100 PASSING GUARANTEED
• http//www.passcert.com/E20-065.html

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EMC E20-065 Overview

• This exam is a qualifying exam for the Data
  Scientist, Advanced Analytics Specialist
  certification.
• This exam focuses on MapReduce, the Hadoop
  Ecosystem, NoSQL, Natural Language Processing,
  Social Network Analysis, Data Science Theory and
  Methods, and Data Visualization.

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EMC E20-065 exam Topics

• MapReduce (15) ?
• Hadoop Ecosystem and NoSQL (15)
• Natural Language Processing (NLP) (20)
• Social Network Analysis (SNA) (23)
• Data Science Theory and Methods (15)
• Data Visualization (12)

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• Real questions from real test

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EMC E20-065 exam free
demoQuestions 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?
• The model will be rebuilt
• A winner is chosen at random
• The tree that caused the tie is discarded
• One more tree is added to the forest
• Answer B

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EMC E20-065 exam free demo Questions 2

• Which HDFS feature protects against user errors
  causing accidental loss of data?
• Encryption
• Replication
• Namenode federation
• Snapshots
• Answer B

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EMC E20-065 exam free demo Questions 3

• What process must address acoustic ambiguity in
  NLP?
• Part-of-speech tagging
• Word sense disambiguation
• Speech recognition
• Discourse
• Answer C

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EMC E20-065 exam free demo Questions 4

• What is a characteristic of stop words?
• Used in term frequency analysis
• Include words such as "a", "an", and "the"
• Meaningful words requiring a parser to stop and
  examine them
• Don't occur often in text
• Answer B

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