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DASCA Senior Data Scientist Sample Questions:

1. 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

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

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

3. Which of the following is correct?
i. LaTeX is used to publish work in a scientific journal
ii. LaTeX is a markup language that can be compiled into formatted documents iii. LaTeX is for publishing scientific papers

A) ii, iii
B) i, iii
C) i, ii
D) i, ii, iii

4. The spokes of the "Hub and Spoke" analytics architecture are the analytic use cases or applications that help the organization to optimize:

A) Deliver a more compelling customer experience
B) Key business processes
C) Both A and B
D) All of the above
E) Uncover new monetization opportunities

5. HDFS supports which quotas?

A) Both A and B
B) None of the above
C) Space quotas
D) Name quotas

Solutions: