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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. Which of the following is correct about microservices?

A) Each service can be developed in any language that best fits the requirement
B) Each service is a new project
C) Each service is independent
D) All of the above

2. Tar is an example of:

A) None of the above
B) Text file format
C) ARV file format
D) CSV file format
E) Archive file format

3. What is TRUE for "rehashing"?

A) It requires a new hash function, which maps values into a larger range of integers
B) Allocate a new, larger hash table in memory
C) Both A and B
D) Key/value pairs from the original table can be inserted into the new, larger one
E) All of the above

4. Which of these are open-source column-oriented databases?

A) Cassandra
B) Both A and B
C) HBase
D) Accumulo
E) All of the above

5. Which of the following is TRUE for Tensor?

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

Solutions: