DASCA SDS : Senior Data Scientist

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DASCA Senior Data Scientist Sample Questions:

1. Spark programs can be written in:

A) All of the above
B) None of the above
C) Scala
D) Java
E) Python

2. Which of the following is correct for Markov chain?

A) Both B and C
B) A Markov chain is a sequence of fixed variables X1, X2
C) Both A and B
D) A Markov chain is the state of a system at sequential points in time
E) A Markov chain is a sequence of random variables X1, X2

3. Which of the following is the most important part of Hadoop?

A) Hadoop Distributed File System (HDFS)
B) Spark Framework
C) Both B and C
D) Both A and B
E) MapReduce Framework

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

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

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

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

Solutions: