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DASCA Senior Data Scientist Sample Questions:

1. Which of the following is TRUE about Avro?

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

2. Which of the following is a useful feature of functional programming?

A) Higher-Order Functions (HOFs)
B) Immutable Data
C) Lazy Evaluation
D) All of the above

3. 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) i, ii
B) All of the above
C) ii, iii

4. Spark should be used when:

A) Data is not massive
B) None of the above
C) Both A and B
D) Data is massive

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

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

Solutions: