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DASCA SDS Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Machine Learning at Scale | 25-30% | - Unsupervised Learning
|
| Topic 2: Big Data Engineering | 15-20% | - Distributed Computing
|
| Topic 3: Advanced Statistical Modeling | 20-25% | - Regression Analysis
|
| Topic 4: Foundations of Data Science | 15-20% | - Data Science Ethics
|
| Topic 5: Data Visualization and Communication | 10-15% | - Visualization Principles
|
DASCA Senior Data Scientist Sample Questions:
Question #1
Which of the following statements is correct?
A. 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
B. 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
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
Question #2
The aim of developing Scribe was to offer reliability with using:
A. High disk space usage
B. Complex protocols
C. Extensive protocols
D. None of the above
Question #3
ElementTree sub-library gives us direct access to:
A. Delete tree of the XML
B. Insert tree of the XML
C. Parse tree of the XML
D. None of the above
E. Copy tree of the XML
Question #4
Spark is written in:
A. Python
B. Java
C. C++
D. C
E. Scala
Question #5
What is the agenda of discussion at a "stand up" meeting of an Agile team?
A. What they accomplished the previous day
B. Any roadblocks they are running into
C. What they are planning to do today
D. Both A and B
E. All of the above
Solutions:
| Question #1 Correct Answer: C | Question #2 Correct Answer: D | Question #3 Correct Answer: C | Question #4 Correct Answer: E | Question #5 Correct Answer: E |
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