Free EMC E20-065 Practice Test & Real Exam Questions

Exam Code/Number: E20-065
Exam Name/Title: Advanced Analytics Specialist Exam for Data Scientists
Certification Provider: EMC
Corresponding Certification: EMCDS

Exam Questions: 68
Updated On: Jun 12, 2026

Question #22

What is a random subspace of features, as used by Random Forests?

A. A random subset of features that are chosen at each split in the decision tree

B. The creation of out-of-bag (OOB) data that is used to select features

C. Filtration of data that does not meet a pre-defined weighting thrsehold

D. Removal of highly correlated variables to randomize the features

Discussion 0

Correct Answer: A Vote an answer

Question #23

What are key characteristics of regular lattices?

A. Low clustering coefficients; small network diameters

B. High clustering coefficients, small network diameters

C. High clustering coefficients; high network diameters

D. Low clustering coefficients, high network diameters

Discussion 0

Correct Answer: C Vote an answer

Question #24

What are the major components of the YARN architecture?

A. HDFS, Tez, and Spark

B. Avro, ZooKeeper, and HDFS

C. Task Tracker and NameNode

D. ResourceManager and NodeManager

Discussion 0

Correct Answer: D Vote an answer

Question #25

What is the maximum degree of a node in an undirected graph with 50 nodes'?

A. 50

B. 49

C. 1250

D. 2500

Discussion 0

Correct Answer: B Vote an answer

Question #26

Which is NOT a tenet of the Apache Pig Philosophy?

A. Data should be processed quickly

B. Any type of data can be processed

C. Hadoop is required

D. It must be easily commanded

Discussion 0

Correct Answer: A Vote an answer

Question #27

Which problem type is best suited for simulation?

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

B. One that compares "what-if scenarios

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

D. One that has a closed-form solution

Discussion 0

Correct Answer: B Vote an answer

Question #28

What is a key beneficial characteristic of the Random Forest algorithm?

A. Resiliency to complex, non-linear variable interactions

B. Support for unstructured data

C. Provides and explanatory model

D. Distinguishes categorical from continuous variables

Discussion 0

Correct Answer: A Vote an answer

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