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DASCA Senior Data Scientist Sample Questions:

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

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

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

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

3. Which of the following is NOT a cluster management tool?

A) Apache Ambari
B) Apache Hadoop
C) Zettaset Orchestrator
D) Apache Mesos

4. What is Scrum?

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

5. ElementTree sub-library gives us direct access to:

A) Delete tree of the XML
B) Parse tree of the XML
C) None of the above
D) Copy tree of the XML
E) Insert tree of the XML

Solutions: