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DASCA Senior Data Scientist Sample Questions:

1. The main purpose of a Statement Of Work (SOW) is to get:

A) What expectations are realistic
B) None of the above
C) Everybody on the same page about what work should be done
D) What the priorities are
E) All of the above

2. Semi-structured data does NOT include:

A) File systems
B) Scientific data
C) Schema-full data
D) Database system

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

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

4. Example of amortized performance is:

A) MapReduce dictionaries
B) Hadoop dictionaries
C) Python dictionaries
D) HDFS dictionaries
E) All of the above

5. Which of the following is TRUE about Avro?

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

Solutions: