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DASCA Senior Data Scientist Sample Questions:

1. SpamAssassin has been developed to detect:

A) Email with virus
B) Spam emails
C) Email with big attachments
D) None of the above

2. Which of the following is correct?

A) DataFrame is similar to SQL tables or R data frames
B) Both A and B
C) The central object in Pandas is called a DataFrame
D) All of the above
E) A data frame is a table with rows and columns

3. Maximum Likelihood Estimation (MLE) is a way to frame:

A) Small class of problems in HDFS
B) Both A and C
C) Large class of problems in HDFS
D) Small class of problems in Data Science
E) Large class of problems in Data Science

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

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

5. Which of the following is TRUE for Chief Data Monetization Officer (CDMO)?
i. CDMO should focus on driving and deriving value from the organization's data and analytic assets.
ii. The CDMO should own the organization's investment decisions with respect to data and analytics.
iii. CDMO should have revenue and margin responsibilities.

A) ii, iii
B) i, ii
C) All of the above

Solutions: