Dell EMC D-DS-FN-23 Exam Practice Test Instant Access

Question 1

What are categorized as cluster and workflow management tools for Hadoop?

AFlume, Sqoop, and Storm

BDrill, Hive, and HBase

CSpark, Tez, and Cassandra

DAmbari, Oozie, and Zookeeper

Answer : D

Question 2

Which visualization technique should be avoided?

AUsing a small number of contrasting colors to draw distinctions

BUsing tables of numbers to present all of the data visually

CAchieving a high data-ink ratio

DUsing visuals to illustrate key points

Answer : B

Question 3

In which programming language is Hadoop written?

AC++

BScala

CJava

DPython

Answer : C

Question 4

When using association rules, what is an itemset?

ASet of continuous variables that are linked

BSet of discrete variables that are linked

CSupport

DConfidence

Answer : B

Question 5

What is a recommended use case for regular expressions?

ALinear regression

BDecision trees

CLogistic regression

DIn-database text analysis

Answer : D

Question 6

In a user-defined aggregate function, what is FFUNC?

AOptional final calculation function

BWindow function

CState transition function

DSegment-level calculation function

Answer : A

Question 7

What are the two data categories that represent qualitative data?

AOrdinal and interval

BNominal and ordinal

CRatio and interval

DNominal and ratio

Answer : B

Dell EMC D-DS-FN-23 Dell Certified Data Science Foundations Exam Practice Test