DASCA SDS Actual Tests : Senior Data Scientist

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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. Data wrangling is the process of getting the data from:

A) Its modified meaning format into something suitable for more conventional analytics
B) Both A and B
C) None of the above
D) Its raw format into something suitable for more conventional analytics

2. Which of the following is an example of NLP?

A) Flagging e-mails as spam
B) Both A and C
C) Using Twitter to assess public sentiment
D) Finding which text documents are about similar topics
E) All of the above

3. Tar is an example of:

A) ARV file format
B) Text file format
C) Archive file format
D) None of the above
E) CSV file format

4. In regression, the principle of machine learning is used to optimize the parameters to:

A) Calculate the closest possible outcomes
B) Minimize the approximation error
C) Both A and B
D) None of the above

5. Image files can be broken down into two broad categories:
i. Rasterized
ii. Vectorized
iii. Sectorized

A) i, ii
B) ii, iii
C) i, iii
D) None of the above

Solutions: