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A ________ is a facility for managing an organization's business intelligence data.


A) datasheet
B) dataspace
C) data warehouse
D) data table

E) A) and D)
F) A) and B)

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Data inconsistencies can occur from the nature of a business activity.

A) True
B) False

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What is the query language used in Hadoop?


A) Pig
B) Cow
C) SQL
D) NoSQL

E) A) and B)
F) All of the above

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The source, format, assumptions and constraints, and other facts concerning certain data are called ________.


A) metadata
B) data structures
C) microdata
D) network packets

E) A) and B)
F) A) and C)

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

A) True
B) False

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________ is the application of statistical techniques to find patterns and relationships among data for classification and prediction.


A) Data encryption
B) Data warehousing
C) Data mining
D) Data decryption

E) B) and C)
F) All of the above

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The use of an organization's operational data as the source data for a business intelligence system is not usually recommended because it ________.


A) is not possible to create reports based on operational data
B) is not possible to perform business intelligence analyses on operational data
C) requires considerable processing and can drastically reduce system performance
D) considers only the external data and not the internal data regarding the organization's functions

E) None of the above
F) B) and D)

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Amazon uses business intelligence to decide product video.

A) True
B) False

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The use of business intelligence (BI) for identifying changes in the purchasing patterns of customers is a labor-intensive process.

A) True
B) False

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Which of the following statements is TRUE of business intelligence (BI) publishing alternatives?


A) The skills required to publish static content are extremely high.
B) It is more difficult to publish dynamic BI than to publish static content.
C) The skills required to create a publishing application for static content is high.
D) Push options for Web servers are manual.

E) C) and D)
F) None of the above

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________ is an unsupervised data mining technique in which statistical techniques identify groups of entities that have similar characteristics.


A) Cluster analysis
B) Content indexing
C) Regression analysis
D) Cloud computing

E) A) and B)
F) A) and C)

Correct Answer

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Which of the following statements is TRUE of BigData?


A) BigData contains only structured data.
B) BigData has low velocity and is generated slowly.
C) BigData cannot store graphics, audio, and video files.
D) BigData refers to data sets that are at least a petabyte in size.

E) A) and B)
F) A) and D)

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A ________ is designed to extract data from operational systems and other sources, clean the data, and store and catalog that data for processing by business intelligence tools.


A) data mart
B) data center
C) data room
D) data warehouse

E) B) and D)
F) All of the above

Correct Answer

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The goal of ________, a type of business intelligence analysis, is to create information about past performance.


A) push publishing
B) data mining
C) reporting analyses
D) BigData

E) All of the above
F) A) and C)

Correct Answer

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Explain supervised data mining.

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With supervised data mining, data miners...

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Data granularity refers to the amount of data represented by data.

A) True
B) False

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Data marts are data collections that address the needs of a particular department or functional area of a business.

A) True
B) False

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In the case of ________, data miners develop models prior to conducting analyses and then apply statistical techniques to data to estimate parameters of the models.


A) pull publishing techniques
B) supervised data mining
C) push publishing techniques
D) unsupervised data mining

E) A) and D)
F) A) and C)

Correct Answer

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As information systems, BI systems have three standard components.

A) True
B) False

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Cluster analysis measures the impact of a set of variables on another variable.

A) True
B) False

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