E20-065 by EMC Valid Free Exam Practice Test

Question 1

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

A. Linear regression applied to a combination of input and outcome variables B. Logistic function applied to a linear combination of the input and outcome variables C. Linear regression applied to a combination of input variables D. Logistic function applied to a linear combination of the input variables

Correct Answer: C

Question 2

Which Hadoop Files System shell command copies data from a local file system into HDFS?

A. put B. cp C. rm D. get

Correct Answer: A

Question 3

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

A. Color B. Area C. Position D. Gradient

Correct Answer: A

Question 4

What does YARN provide over and above MapReduce?

A. Separate cluster and resource management B. Access to HDFS data C. Serialized processing D. Parallelized processing

Correct Answer: A

Question 5

An edge has an embeddedness of 0. What is the edge most likely to be?

A. Part of regular lattice B. Weak tie C. Part of a clique D. Strong tie

Correct Answer: C

Question 6

What are two visualization tools used for trivariate data?

A. Scatter plot matrix and density plot B. Scatter plot matrix and heatmap C. Scatter plot matrix D. Hexbin plot and heatmap

Correct Answer: D

Question 7

What do first-order and second-order Markov processes have in common concerning next word prediction?

A. Neither makes assumptions about the probability of the next word B. Both are unsupervised methods C. Both use WordNet to model the probability of the next word D. Both provide the foundation to build a trigram language model

Correct Answer: D

EMC Advanced Analytics Specialist Exam for Data Scientists - E20-065 Exam Practice Test