Question 1

A key challenge of big data research is to __ and ____ value reference layers of big data.

• a.justify, develop
• b.clarify, assign
• c.rate, create
• d.justify, assign

The correct answer is: justify, develop

Question 2

Big Data starts with large-volume, heterogeneous, independent sources with dispersed and also decentralized control.

• a.True
• b.False

The correct answer is: True

Question 3

Which items below are the basic three elements of big data?

• a.Variety, Volume, and Variations
• b.Volume, Velocity, and Variety
• c.Variations, Vicinity, and Volume
• d.Vicinity, Variety, and Velocity

The correct answer is: Volume, Velocity, and Variety

Question 4

Getting started with big data involves these three key actions: Integrate, manage and analyze.

• a.True
• b.False

The correct answer is: True

Question 5

The three different varieties of big data include structured, semi-structured, and unstructured data.

• a.True
• b.False

The correct answer is: True

Question 6

Robert develops strategies for analyzing data, preparing data for analysis, exploring, analyzing, and visualizing data. Can you guess what Robertʼs job is?

• a.Data Scientist
• b.Database Engineer
• c.Database Developer
• d.Data Miner

The correct answer is: Data Scientist

Question 7

Which countryʼs data accuracy principle guidelines are: Information shall be sufficiently accurate, complete, and up to date to minimize the possibility that inappropriate information may be used to make a decision about the individual.

• a.United States of America
• b.United Kingdom
• c.Canada
• d.Mexico

The correct answer is: Canada

Question 8

Big Data addresses the following business activities except:

• a.Product development
• b.Customer experience
• c.Production enhancements
• d.Machine learning

The correct answer is: Production enhancements

Question 9

Mobile devices not only give the possibility to analyze behavioral data (such as clicks and search queries) but also give the possibility to store and analyze location-based data (GPS data). This is true in what phase of big data.

• a.Phase 1
• b.Phase 2
• c.Phase 3
• d.Phase 4

The correct answer is: Phase 3

Question 10

With big data, you can analyze and assess production, customer feedback and returns, and other factors to reduce outages and anticipate future demands. This statement is true for which of the following business activities?

• a.Product development
• b.Operational efficiency
• c.Machine learning
• d.Drive innovation

The correct answer is: Operational efficiency