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DASCA Senior Data Scientist Sample Questions:

1. Which of the following is NOT an example of the applications of neural networks?

A) Traveling salesman's problem
B) Stock market prediction
C) Character recognition
D) None of the above
E) Image compression

2. Which of the following is NOT a valid section of Big Data Strategy document?

A) Business strategy
B) Key business initiatives
C) Key decisions
D) Business decisions
E) Key business entities

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

A) The "By" analysis technique reinforces the process of "thinking like a data scientist."
B) Both B and C
C) All of the above
D) "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.
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.

4. Spark is written in:

A) Python
B) Java
C) Scala
D) C
E) C++

5. Which of the following is NOT a process of Use Case?

A) Capture the decisions that the key business stakeholders need to make in order to support the organization's key business initiatives
B) Understand your organization's key business initiatives or business challenge
C) Brainstorm the questions that the key stakeholders need to answer to facilitate making the decisions
D) Brainstorm the outcomes that the key stakeholders need to answer to facilitate making the decisions
E) Identify your key business stakeholders

Solutions: