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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

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

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

2. What is the agenda of discussion at a "stand up" meeting of an Agile team?

A) All of the above
B) Any roadblocks they are running into
C) What they accomplished the previous day
D) Both A and B
E) What they are planning to do today

3. Machine learning can be used in:

A) Pattern and image recognition
B) All of the above
C) Fraud detection
D) Web search results
E) Real-time ads on web pages and mobile devices

4. Semi-structured data does NOT include:

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

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

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

Solutions: