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Exam 10: Information Systems Security

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Question 31

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An OLAP report has measures and dimensions. Which of the following is an example of a dimension?

A) total sales
B) average sales
C) sales region
D) average cost

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Question 32

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Granularity is a term that refers to the level of detail represented by the data.

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Question 33

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A data ________ is a data collection, smaller than the data warehouse, that addresses the needs of a particular department or functional area of the business.

Report servers are specialized Web servers.

Differentiate between unsupervised and supervised data mining.

________ is a term that refers to the level of detail represented by the data.

Which of the following terms is used as a synonym for data mining?

Explain the difference between static and dynamic reports.

Ajax Inc. is one of the customers of a well-known linen manufacturing company. Ajax has not ordered linen in some time, but when it did order in the past it ordered frequently, and its orders were of the highest monetary value. Under the given circumstances, Ajax's RFM score is most likely ________.

________ is the application of social media and related applications for the management and delivery of organizational knowledge resources.

The five basic reporting operations that produce business intelligence can all be accomplished using SQL and basic HTML or a simple report writing tool.

Operational data is structured for fast and reliable transaction processing.

Due to a phenomenon called the ________, the more attributes there are, the easier it is to build a model that fits the sample data but that is worthless as a predictor.

________ is defined as information containing patterns, relationships, and trends of various forms of data.

Placing BI applications on operational servers can dramatically increase system performance.

A common business application of decision trees is to classify loans by likelihood of default.

What are expert systems? What are their primary disadvantages?

The viewer of an OLAP report can change its format. Which term implies this capability?

Cluster analysis is used to identify groups of entities that have similar characteristics.

In supervised data mining, a model is developed after the analysis.