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DASCA Senior Data Scientist Sample Questions:

1. Which of the following is NOT an example of graphical model?

A) Computer networks
B) Flow charts
C) Geographical networks
D) Electrical circuits
E) Road maps

2. SpamAssassin has been developed to detect:

A) Spam emails
B) Email with virus
C) Email with big attachments
D) None of the above

3. Which of the following is an example of graphical model?

A) Geographical Networks
B) Both A and B
C) Both A and C
D) Markov Random Fields
E) Bayesian Networks

4. Which of the following is TRUE for Tensor?

A) All of the above
B) Tensor is an array of floating-point numbers
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

5. Which of the following can be classified as factor analysis in machine learning?

A) Both A and B
B) Confirmatory factor analysis
C) Exploratory factor analysis
D) None of the above

Solutions: