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E20-065 Advanced Analytics Specialist Exam for Data Scientists Questions and Answers

Questions 4

A marketing team creates a graph using a square for each data point, where the length of each side is set to the data value. The data values are 10 and 20.

What is the lie factor of the graph?

Options:

A.

1

B.

2

C.

3

D.

6

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Questions 5

What is a characteristic of spark?

Options:

A.

Unable to run map -> reduce execution plans

B.

Supports applications written in Python, Java, and Scala

C.

Less efficient processing small files than Hadoop MapReduce

D.

Supports workflows that can return to previous work steps

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Questions 6

Why would a company decide to use HBase to replace an existing relational database?

Options:

A.

It is required for performing ad-hoc queries.

B.

Varying formats of input data requires columns to be added in real time.

C.

The company's employees are already fluent in SQL.

D.

Existing SQL code will run unchanged on HBase.

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Questions 7

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

Refer to the exhibit.

Options:

A.

0

B.

1

C.

2

D.

3

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Questions 8

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

Refer to the exhibit.

Options:

A.

Neighborhood overlap would increase

B.

Network diameter would decrease

C.

Modularity would increase

D.

Modularity would decrease

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Questions 9

A hotel chain runs a simul-ation on room pricing. They want to estimate revenue, per hotel, within +/- $10 with 95% confidence (Za/2=1.96). The estimated revenue standard deviation is $5000 based on previous booking data.

What is the optimal number of simulation trials to run?

    Options:

    A.

    A 32-bit operating system was used

    B.

    The same number of trials was used

    C.

    A linear congruential generator (LCG) was used (or pseudo-random number generation

    D.

    Different seeds tor the random number generator were used.

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    Exam Code: E20-065
    Exam Name: Advanced Analytics Specialist Exam for Data Scientists
    Last Update: Nov 21, 2024
    Questions: 66
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