Senior Data Scientist (SDS) Free Practice Test

Question 1

What is Scrum?

A. Scrum and Agile are the same

B. Scrum is a subset of Agile

C. None of the above

D. Agile is a subset of Scrum

Correct Answer: B

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Question 2

A workflow refers to a:

A. Directed acyclic graph

B. Indirected acyclic graph

C. Indirected cyclic graph

D. Directed cyclic graph

Correct Answer: A

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Question 3

Which of the following is TRUE for Tensor?

A. Tensor is an array of floating-point numbers

B. Tensor is used to describe multidimensional arrays of numbers on which we perform linear operations

C. In Tensor, there can be arbitrarily many dimensions to the array

D. All of the above

E. Both B and C

Correct Answer: D

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Question 4

The Big Data Vision Workshop process is ideal for organizations who:

A. Both A and B

B. All of the above

C. Have a desire to leverage Big Data to transform their business but do not know where and how to start

D. Have a desire to leverage the Big Data Vision Workshop to identify where and how to leverage data and analytics to power their business models

E. Have a wealth of data that they do not know how to monetize

Correct Answer: B

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Question 5

Semi-structured data does NOT include:

A. Scientific data

B. Schema-full data

C. Database system

D. File systems

Correct Answer: B

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Question 6

Which of the following is the most important part of Hadoop?

A. Both A and B

B. Both B and C

C. Hadoop Distributed File System (HDFS)

D. MapReduce Framework

E. Spark Framework

Correct Answer: A

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Question 7

Which of the following is the common evolutionary algorithm of neural networks?

A. Genetic programming

B. All of the above

C. Evolution strategy

D. Genetic algorithm

Correct Answer: B

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Question 8

The Big Data Vision Workshop process is ideal for organizations who:

A. Both A and B

B. All of the above

C. Have a desire to leverage Big Data to transform their business but do not know where and how to start

D. Have a desire to leverage the Big Data Vision Workshop to identify where and how to leverage data and analytics to power their business models

E. Have a wealth of data that they do not know how to monetize

Correct Answer: B

Explanation: Only visible for TestSimulate members. You can sign-up / login (it's free).

Question 9

The aim of developing Scribe was to offer reliability with using:

A. None of the above

B. Complex protocols

C. Extensive protocols

D. High disk space usage

Correct Answer: A

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DASCA Senior Data Scientist (SDS) Free Practice Test