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DASCA Senior Data Scientist Sample Questions:

1. Spark should be used when:

A) Data is not massive
B) None of the above
C) Data is massive
D) Both A and B

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

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

3. Which of the following standardizes scores similar to a percentile rank but preserves equal interval properties of a Z-score?

A) Trend analysis
B) Normal Curve Equivalent (NCE)
C) None of the above
D) Medium Curve Equivalent (MCE)
E) High Curve Equivalent (HCE)

4. Which of the following is NOT a correct situation to use Agile?

A) When clients/stakeholders need to be able to change the scope
B) None of the above
C) When the final product isn't clearly defined
D) When changes need to be implemented during the entire process

5. Business Intelligence (BI) is:

A) BI focuses on reporting on the future state of the business
B) BI focuses on descriptive analytics
C) Both B and C
D) Both A and B
E) BI focuses on "What happened?"

Solutions: