a.
MapReduce
b.
Internet of Things (IoT)
c.
Advanced analytics
d.
Optimization model
ANSWER:
a
26. _____ is an open-source programming environment that supports big data processing through distributed storage and distributed processing on clusters of computers.
a.
Hadoop
b.
Excel
c.
Java
d.
MapReduce
ANSWER:
a
27. _____ analytics are techniques that use models, constructed from past data, to predict the future or to ascertain the impact of one variable on another.
a.
Predictive
b.
Descriptive
c.
Simulation
d.
Prescriptive
ANSWER:
a
28. A _____ decision involves higher-level issues and is concerned with the overall direction of the organization, defining the overarching goals and aspirations for the organization’s future.
a.
strategic
b.
tactical
c.
intuitive
d.
operational
ANSWER:
a
29. A _____ decision is concerned with how the organization should achieve the goals and objectives set by its strategy.
a.
tactical
b.
strategic
c.
intuitive
d.
operational
ANSWER:
a
30. _____ analytics use techniques that take input data and yield a best course of action.
a.
Prescriptive
b.
Simulation
c.
Strategic
d.
Operational
ANSWER:
a
31. In the spectrum of business analytics, which is the most complex?
a.
Descriptive
b.
Predictive
c.
Prescriptive
d.
Operational
ANSWER:
c
32. In order to manage an organization’s human resource activities, such as hiring employees, tracking, and influencing employee retention, HR personnel use _____.
a.
descriptive and predictive analytics.
b.
descriptive and prescriptive analytics.
c.
predictive and prescriptive analytics.
d.
predictive analytics.
ANSWER:
a
33. A better understanding of consumer behavior through analytics directly leads to _____.
a.
more profits
b.
better pricing strategies
c.
reduced advertising costs
d.
reduced risk
ANSWER:
b
34. A light bulb manufacturer uses descriptive analytics _____.
a.
to present supply chain to managers visually.
b.
to achieve efficiency in delivery of goods.
c.
to schedule staff and vehicle for delivery.
d.
to plan capacity utilization by incorporating the inherent uncertainty in commodities pricing.
ANSWER:
a
35. The U.S. Internal Revenue Service uses _____ to identify patterns that distinguish questionable annual personal income tax filings.
a.
utility theory
b.
prescriptive analytics
c.
data mining
d.
decision analysis
ANSWER:
c
Subjective Short Answer
36. _____ may be used to develop an optimal strategy when a decision maker is faced with several decision alternatives and an uncertain set of future events.
ANSWER:
Decision analysis
37. An increase in data _____ would help to protect stored data from destructive forces or unauthorized users.
ANSWER:
security
38. _____ are analytical tools that describe what has happened.