Dell EMC E20-065 Exam Practice Test Instant Access

Question 1

If two of the communities are re-designated to be one community, how does that change the network characteristics?

Refer to the exhibit.

ANeighborhood overlap would increase

BNetwork diameter would decrease

CModularity would increase

DModularity would decrease

Answer : B

Question 2

How does Latent Dinchlet Allocation (LDA) interpret a document?

AAs a single-predefined topic

BAs a mixture of pre-defined topics

CAs having a mixture of sentiments

DAs having a single pre-defined sentiment

Answer : B

Question 3

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 4

Which is NOT a tenet of the Apache Pig Philosophy?

AIt must be easily commanded

BAny type of data can be processed

CHadoop is required

DData should be processed quickly

Answer : D

Question 5

In a social network, what does it mean for a node to have a high degree but low betweenness?

AThe node is adjacent to a few nodes, each of each has high Page Ranks.

BThe node has the only edge connecting its community to the rest of the graph.

CThe node can be easily bypassed by communications taking other shorter paths.

DThe node acts as the hub of the graph.

Answer : D

Question 6

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

AEncryption

BReplication

CNamenode federation

DSnapshots

Answer : B

Question 7

What is an important simu-lation design consideration?

AEnsure model Inputs align with reality

BUse different seed values to regenerate results

CFor rare event models, minimize number of trials

DA complex model is better than a simple model

Answer : A

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