IDC 3931 Big Data exam 1 chapter 1

Computerized support is only used for organizational decisions that are responses too external pressures, not for taking advantage of opportunities.

False

One of the four components of BI systems, business performance management, is a collection of source data in the data warehouse.

False

The complexity of today's business environment creates many new challenges for organizations, such as global competition, but creates few new opportunities in return.

False

The term intelligence in a BI context is used to describe clandestine operations dedicated to stealing corporate secrets, in the manner of the government's CIA and other covert agencies.

False

The use of dashboards and data visualizations is seldom effective in finding inefficiencies in organizations, as demonstrated by the Seattle Children's Hospital case study.

False

Actionable intelligence is the primary goal of modern-day BI systems vs. historical reporting that characterizes MIS.

True

DW and BI initiatives typically follow a process similar to that used in military intelligence initiatives.

True

In addition to deploying BI systems, companies may also perform other actions to counter business pressures, such as improving customer service and entering business alliances.

True

Many business users in the 1980s referred to their mainframes as "the black hole," because all the information went into it, but littler ever came back and ad hoc real-time querying was virtually impossible.

True

The overwhelming majority of competitive actions taken by businesses today feature computerized information system support.

True

The use of statistics in baseball by the Oakland Athletics, as described in the Moneybag case study, is an example of the effectiveness of predictive analytics.

True

BI can be characterized as a transformation of

data to information to decisions to actions.

The very design that makes and OLTP system efficient for transaction processing makes it inefficient for what?

end user ad hoc reports, queries, and analysis

IN answering the question, "Which customers are likely to be using fake credit cards?" you are most likely to use which of the following analytics applications?

fraud detection

What can the BI users in an organization help guide and direct?

how the DW is structured and the types of BI tools and other supporting software that are needed

Prescriptive BI capabilities are viewed as more powerful than predictive ones for all the following reasons except

only prescriptive BI capabilities have monetary value to top-level managers.

In answering the question "Which customers are most likely to click on my online ads and purchase my goods?" you are most likely to use which of the following analytic applications?

propensity to buy

What has caused the growth of the demand for instant, on-demand access to dispersed information?

the more pressing need to close the gap between the operational data and strategic objectives.

Big Data often involves a form of distributed storage and processing using Hadoop and MapReduce. One reason for this is

the processing power needed for the centralized model would overload a single computer.

Big data is associated with almost any kind of large data that has the characteristics of:

volume, velocity, variety

In the Magpie Sensing case study, the automated collection of temperature and humidity data on shipped goods helped with various types of analytics. Which of the following is an example of predictive analytics?

warning of an open shipment seal