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DASCA Senior Data Scientist Sample Questions:

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

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

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

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

3. HDFS supports which quotas?

A) Name quotas
B) Space quotas
C) None of the above
D) Both A and B

4. What is Scrum?

A) Scrum is a subset of Agile
B) None of the above
C) Agile is a subset of Scrum
D) Scrum and Agile are the same

5. ARIMA model is:

A) Autoregressive moving average
B) Autoresponsive moving average
C) Autoreactive moving average
D) All of the above
E) Autointeractive moving average

Solutions: