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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. Which of the following is used to summarize a dataset by showing the median, quantiles, and min/max values for each of the variables?

A) Scatter Chart
B) Histogram
C) Pie Charts
D) Bar Charts
E) Box Plots

2. Which of the following is main Machine Learning Library in Python?

A) NumPy
B) SciPy
C) Matplotlib
D) Scikit-learn
E) None of the above

3. The grid computing environment uses a middleware to:

A) Combine computing resources
B) Divide computing resources
C) Both A and B
D) None of the above

4. Example of amortized performance is:

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

5. Which of the following is correct for Markov chain?

A) Both B and C
B) A Markov chain is a sequence of fixed variables X1, X2
C) A Markov chain is the state of a system at sequential points in time
D) Both A and B
E) A Markov chain is a sequence of random variables X1, X2

Solutions: