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DASCA Senior Data Scientist Sample Questions:

1. Which of the following architectural techniques is used for parallel processing?

A) The Superscalar Technique
B) Both B and C
C) Both A and B
D) The SuperVector Technique
E) Very Long Instruction Words (VLIW) Technique

2. Which of the following is TRUE for "By" analysis?

A) Both B and C
B) The "By" analysis technique reinforces the process of "thinking like a data scientist."
C) "By" analysis is used to create a collaborative technique to drive alignment between the business users and the data scientists to identify and brainstorm variables and metrics that might be better predictors of business performance.
D) All of the above
E) "By" analysis is a technique by which business subject matter experts (SMEs) and the Data Science team could collaborate to uncover new variables and metrics that might be better predictors of business performance.

3. Machine learning can be used in:

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

4. A burn down chart shows:

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

5. The DevOps movement is an outgrowth of which of the following software development methodologies?

A) Waterfall
B) Test-driven development and model-driven development
C) Promise-based algorithms
D) Agile

Solutions: