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Exam 9: Business Intelligence Systems

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Question 51

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Data warehouses do not include data that is purchased from outside sources.

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Question 52

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A value of 999-999-9999 for a U.S. phone number is an example of dirty data for business intelligence (BI) purposes.

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Question 53

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

Regression analysis measures the effect of a set of variables on another variable.

Operational data is structured for fast and reliable transaction processing.

Dynamic reports are business intelligence (BI) documents that are updated at the time they are requested.

MapReduce is a technique for harnessing the power of thousands of computers working in parallel.

What is the objective of performing a market-basket analysis?

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

Placing business intelligence (BI) applications on operational servers can dramatically increase system performance.

Knowledge management (KM) benefits organizations because it ________.

A drawback associated with OLAP reports is their inability to let users drill down into the data.

RFM analysis is used to analyze and rank customers according to their ________.

A business intelligence (BI) server extends alert/RSS functionality to support user subscriptions.

Describe the features of a data mart.

Neural networks are popular unsupervised data mining techniques used to predict values and make classifications.

Total sales, average sales, and average cost are examples of dimensions used in an OLAP report.

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

________ is the process of obtaining, cleaning, organizing, relating, and cataloging source data.

In market-basket terminology, a conditional probability estimate is called lift.