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DASCA Senior Data Scientist Sample Questions:

1. Spark is written in:

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

2. Which of the following is an example of graphical model?

A) Bayesian Networks
B) Both A and C
C) Both A and B
D) Geographical Networks
E) Markov Random Fields

3. Spark programs can be written in:

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

4. Which of the following is TRUE for data lake?

A) The data lake can make both of the Business Intelligence and Data Science environments more agile and more productive
B) The data lake enables organizations to gather, manage, enrich, and analyze many new sources of data, whether structured or unstructured
C) The data lake enables organizations to treat data as an organizational asset to be gathered and nurtured versus a cost to be minimized
D) None of the above
E) The data lake can make both of the Business Intelligence and Data Science environments less agile and more productive

5. Which of the following is NOT used to implement Agile?

A) Six Sigma
B) Extreme Programming (XP)
C) Kanban
D) Scrum

Solutions: