DASCA Senior Data Scientist : SDS

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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. Which of these are open-source column-oriented databases?

A) All of the above
B) HBase
C) Cassandra
D) Both A and B
E) Accumulo

2. Which of the following is NOT used to implement Agile?

A) Kanban
B) Scrum
C) Extreme Programming (XP)
D) Six Sigma

3. Machine learning can be categorized as:

A) Reinforcement learning
B) All of the above
C) Supervised learning
D) Unsupervised learning

4. Which of the following is NOT a valid section of Big Data Strategy document?

A) Business strategy
B) Business decisions
C) Key decisions
D) Key business entities
E) Key business initiatives

5. Which of the following statements is correct?

A) 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
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 100 times faster in memory and 10 times faster on disk in comparison to the traditional Hadoop MapReduce
D) 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

Solutions: