DASCA SDS : Senior Data Scientist

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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

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

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

2. Spark should be used when:

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

3. Semi-structured data does NOT include:

A) Database system
B) File systems
C) Schema-full data
D) Scientific data

4. Which of the following is a useful feature of functional programming?

A) All of the above
B) Immutable Data
C) Higher-Order Functions (HOFs)
D) Lazy Evaluation

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

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

Solutions: