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EMC E20-065 - Advanced Analytics Specialist Exam for Data Scientists

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Total 66 questions

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

A.

49

B.

50

C.

1250

D.

2500

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

Refer to the exhibit.

A.

C-E

B.

E-F

C.

B-C

D.

G-l

What best describes tokenization?

A.

Adding lexical relations to the raw text

B.

Converting text into the list of terms

C.

Converting text into a list of unique terms

D.

Reducing variant forms of tokens to their base forms

In a typical multinomial logistic regression analysis involving six outcomes (class labels) and three input variables, how many model parameters will need to be estimated?

A.

9

B.

18

C.

20

D.

24

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

A.

Bipartite

B.

Weighted

C.

Directed acyclic

D.

Ranked

Which problem type is best suited for simulation?

A.

One with a few. non-random input variables

B.

One that has a closed-form solution

C.

One with numerous, non-random Input-variables

D.

One that compares "what-if scenarios

Which library is NOT part of the Apache Spark distribution?

A.

MLib

B.

NLTK

C.

GraphX

D.

Spark SQL

Assuming the node index starts at 1, what is the out-degree of node 3 in the adjacency matrix shown?

Refer to the exhibit.

A.

0

B.

1

C.

2

D.

3

What does YARN provide over and above MapReduce?

A.

Separate cluster and resource management

B.

Parallelized processing

C.

Serialized processing

D.

Access to HDFS data

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

A.

Encryption

B.

Replication

C.

Namenode federation

D.

Snapshots