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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. Which of the following is TRUE for Tensor?

A) Tensor is an array of floating-point numbers
B) All of the above
C) In Tensor, there can be arbitrarily many dimensions to the array
D) Tensor is used to describe multidimensional arrays of numbers on which we perform linear operations
E) Both B and C

2. What is Scrum?

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

3. Which of the following is NOT a main data container in Python?

A) Lists
B) LinkedList
C) Tuples
D) Dict

4. Which of the following can visualize variations in the base data, which can be used to identify outliers in the data for further investigation?

A) None of the above
B) Histogram
C) Trend Analysis
D) Scatter Plot
E) Box Plots

5. Which of the following statements is correct?

A) 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
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 1000 times faster in memory and 100 times faster on disk in comparison to the traditional Hadoop MapReduce

Solutions: