Free DASCA SDS Practice Test & Real Exam Questions

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

Exam Questions: 87
Updated On: Aug 15, 2026

Question #1

IoT is built on:

A. Cloud Computing

B. Both A and B

C. None of the above

D. Networks of data gathering devices

Discussion 0

Correct Answer: B Vote an answer

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Question #2

What is the agenda of discussion at a "stand up" meeting of an Agile team?

A. What they are planning to do today

B. What they accomplished the previous day

C. Both A and B

D. All of the above

E. Any roadblocks they are running into

Discussion 0

Correct Answer: D Vote an answer

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Question #3

Business Intelligence (BI) is:

A. BI focuses on descriptive analytics

B. Both B and C

C. BI focuses on "What happened?"

D. BI focuses on reporting on the future state of the business

E. Both A and B

Discussion 0

Correct Answer: E Vote an answer

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Question #4

Which of the following is used to summarize a dataset by showing the median, quantiles, and min/max values for each of the variables?

A. Histogram

B. Bar Charts

C. Pie Charts

D. Scatter Chart

E. Box Plots

Discussion 0

Correct Answer: E Vote an answer

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Question #5

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

A. Both A and B

B. 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

C. All of the above

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

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

Discussion 0

Correct Answer: C Vote an answer

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Question #6

Which of the following is correct?

A. The central object in Pandas is called a DataFrame

B. DataFrame is similar to SQL tables or R data frames

C. Both A and B

D. A data frame is a table with rows and columns

E. All of the above

Discussion 0

Correct Answer: E Vote an answer

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Question #7

Which of the following is TRUE for "By" analysis?

A. "By" analysis is used to create a collaborative technique to drive alignment between the business users and the data scientists to identify and brainstorm variables and metrics that might be better predictors of business performance.

B. Both B and C

C. All of the above

D. The "By" analysis technique reinforces the process of "thinking like a data scientist."

E. "By" analysis is a technique by which business subject matter experts (SMEs) and the Data Science team could collaborate to uncover new variables and metrics that might be better predictors of business performance.

Discussion 0

Correct Answer: C Vote an answer

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Question #8

Data wrangling is the process of getting the data from:

A. Its raw format into something suitable for more conventional analytics

B. Both A and B

C. None of the above

D. Its modified meaning format into something suitable for more conventional analytics

Discussion 0

Correct Answer: A Vote an answer

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Question #9

Which of the following is TRUE for Chief Data Monetization Officer (CDMO)?
i. CDMO should focus on driving and deriving value from the organization's data and analytic assets.
ii. The CDMO should own the organization's investment decisions with respect to data and analytics.
iii. CDMO should have revenue and margin responsibilities.

A. ii, iii

B. i, ii

C. All of the above

Discussion 0

Correct Answer: C Vote an answer

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