Dell EMC E20-065 Exam Practice Test Instant Access

Question 1

What runs more efficiently because of Apache Tez?

APig and Hive

BHive and HBase

CYarn and Spark

DAll MapReduce jobs

Answer : D

Question 2

Which graph structure would best model the relationship between job seekers and employers?

ABipartite

BWeighted

CDirected acyclic

DRanked

Answer : A

Question 3

What are three of the eight visual variables?

ASelection, orientation, and mark

BSize, separation, and orientation

CPosition, size, and orientation

DPosition, texture, and selection

Answer : C

Question 4

Which HDFS feature protects against user errors causing accidental loss of data?

AEncryption

BReplication

CNamenode federation

DSnapshots

Answer : B

Question 5

What are two visualization tools used for trivariate data?

AScatter plot matrix

BHexbin plot and heatmap

CScatter plot matrix and density plot

DScatter plot matrix and heatmap

Answer : B

Question 6

What are the major components of the YARN architecture?

AResourceManager and NodeManager

BTask Tracker and NameNode

CHDFS, Tez, and Spark

DAvro, ZooKeeper, and HDFS

Answer : A

Question 7

Which problem type is best suited for simulation?

AOne with a few. non-random input variables

BOne that has a closed-form solution

COne with numerous, non-random Input-variables

DOne that compares 'what-if scenarios

Answer : D

Dell EMC E20-065 Data Scientist Advanced Analytics Specialist Exam Practice Test