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DASCA Senior Data Scientist Sample Questions:

1. Tar is an example of:

A) CSV file format
B) None of the above
C) ARV file format
D) Archive file format
E) Text file format

2. In regression, the principle of machine learning is used to optimize the parameters to:

A) Calculate the closest possible outcomes
B) Minimize the approximation error
C) None of the above
D) Both A and B

3. Example of amortized performance is:

A) All of the above
B) Python dictionaries
C) HDFS dictionaries
D) Hadoop dictionaries
E) MapReduce dictionaries

4. Which of the following is a trend analysis component of time series decomposition?

A) Cyclical
B) All of the above
C) Irregular
D) Seasonal
E) Both A and B

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

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

Solutions: