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DASCA Senior Data Scientist Sample Questions:

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

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

2. Machine learning can be categorized as:

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

3. Spark should be used when:

A) Data is not massive
B) Both A and B
C) Data is massive
D) None of the above

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

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

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

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

Solutions: