Dell EMC E20-065 Exam Practice Test Instant Access

Question 1

How can you improve processing performance in HIVE?

APartition tables

BRun the SET hive.exec.parallel = false command

CEnsure highly normalized tables and use joins

DMinimize bucketing

Answer : A

Question 2

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?

AThe model will be rebuilt

BA winner is chosen at random

CThe tree that caused the tie is discarded

DOne more tree is added to the forest

Answer : B

Question 3

What best describes the meaning behind the phrase "Six Degrees of Separation'"?

AAbility to use about six hops to reach any other node in an extremely large social network

BErdos number of all scholars having written papers with Paul Erdos

CMaximum number of edges between nodes in a graph with a diameter of six

DTypical distance between nodes that are connected by triadic closure

Answer : A

Question 4

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

AEncryption

BReplication

CNamenode federation

DSnapshots

Answer : B

Question 5

What advantage does replication provide while storing a file in HDFS?

AData protection and scheduling flexibility

BElimination of requirement for a combiner process

CElimination of requirement for Shuffle and Sort process

DMemory optimization and minimizing tasks to run

Answer : A

Question 6

What is an effective use of color in visualization?

AUse self-explanatory colors so a legend is unnecessary

BMaximize use of color to make a more lasting impression

CUse high contrast colors such as red and blue

DMinimize use of color except for emphasis

Answer : C

Question 7

In the graph, which edge would be considered a weak lie?

Refer to the exhibit.

AC-E

BE-F

CB-C

DG-l

Answer : D

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