DASCA SDS Valid Test : Senior Data Scientist

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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. JSON takes hierarchical data structures and serializes them into:

A) None of the above
B) Plain text format
C) Any desired format
D) Plain string format
E) Both A and B

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

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

3. Which of the following is TRUE for Business Metamorphosis?

A) Business Metamorphosis exercise can uncover Big Data requirements around decisions, analytics and data sources that can be leveraged to transform or metamorphose your organization's business model
B) All of the above
C) The Business Metamorphosis phase is where organizations integrate the insights that they captured about their customers' usage patterns, product performance behaviors, and overall market trends to transform their business models
D) The Business Metamorphosis phase helps drive an organization's core business model through the analytic insights gathered as the organization traverses the Big Data Business Model Maturity Index
E) Both A and C

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) Both B and C
E) Tensor is used to describe multidimensional arrays of numbers on which we perform linear operations

5. Which of the following errors refers to the wrong negation of a true null hypothesis?

A) None of the above
B) Logical Error
C) Type I Error
D) Type II Error
E) Hypothesis Error

Solutions: