Free SDS Questions for DASCA Senior Data Scientist SDS Exam as PDF & Practice Test Engine

Exam Code/Number: SDS
Exam Name/Title: Senior Data Scientist
Certification Provider: DASCA
Corresponding Certification: DASCA Data Scientist

Exam Questions: 87
Updated On: Jul 18, 2026

Question #1

Which of the following architectural techniques is used for parallel processing?

A. Very Long Instruction Words (VLIW) Technique

B. The SuperVector Technique

C. The Superscalar Technique

D. Both B and C

E. Both A and B

Discussion 0

Correct Answer: E Vote an answer

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Question #2

What is TRUE for "rehashing"?

A. Allocate a new, larger hash table in memory

B. It requires a new hash function, which maps values into a larger range of integers

C. All of the above

D. Both A and B

E. Key/value pairs from the original table can be inserted into the new, larger one

Discussion 0

Correct Answer: C Vote an answer

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Question #3

Which of the following can visualize variations in the base data, which can be used to identify outliers in the data for further investigation?

A. Scatter Plot

B. Trend Analysis

C. Histogram

D. None of the above

E. Box Plots

Discussion 0

Correct Answer: E Vote an answer

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Question #4

Machine learning can be used in:

A. Fraud detection

B. Web search results

C. Real-time ads on web pages and mobile devices

D. All of the above

E. Pattern and image recognition

Discussion 0

Correct Answer: D Vote an answer

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Question #5

JSON takes hierarchical data structures and serializes them into:

A. Any desired format

B. None of the above

C. Both A and B

D. Plain string format

E. Plain text format

Discussion 0

Correct Answer: C Vote an answer

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Question #6

Which of the following is TRUE about monetization exercise?

A. The monetization exercise works by first understanding the product usage patterns and customer usage behaviors associated with a particular product and service

B. All of the above

C. The monetization exercise process then seeks to identify complementary or secondary recommendations that can be packaged and delivered along with that product or service

D. Both B and C

E. The monetization exercise provides an opportunity to uncover new product and/or service opportunities

Discussion 0

Correct Answer: B Vote an answer

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Question #7

Which of the following is NOT a process of Use Case?

A. Brainstorm the outcomes that the key stakeholders need to answer to facilitate making the decisions

B. Identify your key business stakeholders

C. Understand your organization's key business initiatives or business challenge

D. Brainstorm the questions that the key stakeholders need to answer to facilitate making the decisions

E. Capture the decisions that the key business stakeholders need to make in order to support the organization's key business initiatives

Discussion 0

Correct Answer: A Vote an answer

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Question #8

Which of the following is a trend analysis component of time series decomposition?

A. Seasonal

B. Cyclical

C. Irregular

D. All of the above

E. Both A and B

Discussion 0

Correct Answer: D Vote an answer

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Question #9

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

A. MapReduce Framework

B. Spark Framework

C. Both B and C

D. Hadoop Distributed File System (HDFS)

E. Both A and B

Discussion 0

Correct Answer: E Vote an answer

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Free SDS Questions for DASCA Senior Data Scientist SDS Exam as PDF & Practice Test Engine

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