DASCA Senior Data Scientist - SDS Exam Practice Test

A. None of the above

B. i, ii

C. ii, iii

D. i, iii

A. Both A and B

B. Both B and C

C. BI focuses on "What happened?"

D. BI focuses on reporting on the future state of the business

E. BI focuses on descriptive analytics

A. Reinforcement learning

B. Unsupervised learning

C. All of the above

D. Supervised learning

A. 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

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. Both A and C

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. All of the above

A. None of the above

B. Both A and B

C. Combine computing resources

D. Divide computing resources

A. Business strategy

B. Key business entities

C. Key decisions

D. Business decisions

E. Key business initiatives

A. Pie Charts

B. Histogram

C. Scatter Chart

D. Box Plots

E. Bar Charts

A. Immutable Data

B. Lazy Evaluation

C. Higher-Order Functions (HOFs)

D. All of the above

A. In Tensor, there can be arbitrarily many dimensions to the array

B. Both B and C

C. Tensor is an array of floating-point numbers

D. All of the above

E. Tensor is used to describe multidimensional arrays of numbers on which we perform linear operations