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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. 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

2. Machine learning can be used in:

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

3. Exploratory analytic algorithms help the Data Science team to better:

A) Understand patterns in the data
B) Understand the data content
C) Gain a high-level understanding of relationships
D) Both A and B
E) All of the above

4. A workflow refers to a:

A) Indirected cyclic graph
B) Indirected acyclic graph
C) Directed acyclic graph
D) Directed cyclic graph

5. 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

Solutions: