DASCA Data Scientist SDS

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DASCA SDS Exam Syllabus Topics:

DASCA Senior Data Scientist Sample Questions:

1. The DevOps movement is an outgrowth of which of the following software development methodologies?

A) Promise-based algorithms
B) Waterfall
C) Agile
D) Test-driven development and model-driven development

2. Which of the following is FALSE for Social Network Analysis (SNA)?

A) None of the above
B) SNA characterizes networked structures in terms of nodes and the ties or edges that connect them
C) SNA is used to investigate social structures and relationships across social networks
D) Social Network Analysis (SNA) is an example of graph analysis
E) Social Network Analysis (SNA) is an example of trend analysis

3. The Big Data Vision Workshop process is ideal for organizations who:

A) Have a desire to leverage Big Data to transform their business but do not know where and how to start
B) Have a desire to leverage the Big Data Vision Workshop to identify where and how to leverage data and analytics to power their business models
C) Have a wealth of data that they do not know how to monetize
D) Both A and B
E) All of the above

4. A burn down chart shows:

A) The declining energy of the team
B) The rate of reduction of budget for a project
C) The volume of work and features completed
D) The number of hours worked after dark

5. What is TRUE for "rehashing"?

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

Solutions: