EMC EMC Certifications E20-065 Questions & Answers

• Question 21:

  What does YARN provide over and above MapReduce?

  A. Separate cluster and resource management

  B. Parallelized processing

  C. Serialized processing

  D. Access to HDFS data

  Correct Answer: A

• Question 22:

  Consider the two sentences below. I mailed my credit card application to the bank We walked along the river bank until we came to a waterwheel

  What type of NLP ambiguity might occur when interpreting the word "bank"?

  A. Discourse

  B. Syntactic

  C. Semantic

  D. Acoustic

  Correct Answer: C

• Question 23:

  Assuming the node index starts at 1, what is the out-degree of node 3 in the adjacency matrix shown? Refer to the exhibit.

  

  A. 0

  B. 1

  C. 2

  D. 3

  Correct Answer: A

• Question 24:

  What describes how nodes in a social network are similar to each other in characteristics?

  A. Community clustering

  B. Modularity

  C. Homophily

  D. Strongly tied network

  Correct Answer: C

• Question 25:

  In multinomial logistic regression, what is used to calculate the probability of outcome occurring?

  A. Logistic function applied to a linear combination of the input and outcome variables

  B. Linear regression applied to a combination of input variables

  C. Linear regression applied to a combination of input and outcome variables

  D. Logistic function applied to a linear combination of the input variables

  Correct Answer: B

• Question 26:

  What best describes tokenization?

  A. Adding lexical relations to the raw text

  B. Converting text into the list of terms

  C. Converting text into a list of unique terms

  D. Reducing variant forms of tokens to their base forms

  Correct Answer: B

• Question 27:

  Consider dataset that resides in HDFS. Which tool natively provides the capability to run a Random Forests model against this data?

  A. Mahout

  B. Pig

  C. Hive

  D. HBase

  Correct Answer: A

• Question 28:

  How is the relative value of a node visualized in a sunburst?

  A. Color

  B. Area

  C. Gradient

  D. Position

  Correct Answer: A

• Question 29:

  What is a characteristic of the trigram language model?

  A. Based on the second-order Markov process

  B. Equivalent to trigram hidden Markov models

  C. Uses smoothing to reduce the high dimensionality in text

  D. Can be used for part-of -speech tagging

  Correct Answer: A

• Question 30:

  Which problem type is best suited for simulation?

  A. One with a few. non-random input variables

  B. One that has a closed-form solution

  C. One with numerous, non-random Input-variables

  D. One that compares "what-if scenarios

  Correct Answer: D