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DASCA Senior Data Scientist Sample Questions:

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

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

2. Which of the following is TRUE about Avro?

A) None of the above
B) Avro is a data serialization framework
C) Both A and B
D) Avro is based on Remote Procedure Call (RPC)

3. Which of the following is NOT used to implement Agile?

A) Kanban
B) Scrum
C) Extreme Programming (XP)
D) Six Sigma

4. Which of the following is correct for Markov chain?

A) Both B and C
B) A Markov chain is a sequence of random variables X1, X2
C) A Markov chain is the state of a system at sequential points in time
D) Both A and B
E) A Markov chain is a sequence of fixed variables X1, X2

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

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

Solutions: