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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. Which of the following statements is correct?

A) Apache claimed that Spark is able to run parallel jobs 100 times faster in memory and 10 times faster on disk in comparison to the traditional Hadoop MapReduce
B) Apache claimed that Spark is able to run parallel jobs 1000 times faster in memory and 100 times faster on disk in comparison to the traditional Hadoop MapReduce
C) Apache claimed that Spark is able to run parallel jobs 10 times faster in memory and 100 times faster on disk in comparison to the traditional Hadoop MapReduce
D) Apache claimed that Spark is able to run parallel jobs 50 times faster in memory and 5 times faster on disk in comparison to the traditional Hadoop MapReduce

2. ARIMA model is:

A) Autoresponsive moving average
B) All of the above
C) Autoreactive moving average
D) Autoregressive moving average
E) Autointeractive moving average

3. Which of the following is FALSE for Social Network Analysis (SNA)?

A) SNA is used to investigate social structures and relationships across social networks
B) Social Network Analysis (SNA) is an example of trend analysis
C) SNA characterizes networked structures in terms of nodes and the ties or edges that connect them
D) Social Network Analysis (SNA) is an example of graph analysis
E) None of the above

4. Tar is an example of:

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

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

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

Solutions: