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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. A burn down chart shows:

A) The number of hours worked after dark
B) The rate of reduction of budget for a project
C) The declining energy of the team
D) The volume of work and features completed

2. JSON takes hierarchical data structures and serializes them into:

A) Any desired format
B) None of the above
C) Plain string format
D) Both A and B
E) Plain text format

3. Which of these are open-source column-oriented databases?

A) Accumulo
B) HBase
C) Cassandra
D) Both A and B
E) All of the above

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

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

5. Which of the following phases is NOT a Big Data Business Model Maturity Index?

A) Business Strategy
B) Business Metamorphosis
C) Business Monitoring
D) Data Monetization
E) Business Optimization

Solutions: