Deck 9: Business Intelligence Systems

Question 1

________ is the process of delivering business intelligence to users without any request from the users.

A)Push publishing
B)Pull publishing
C)Data acquisition
D)Data mining

Answer 1

A

Question 2

________ requires users to request business intelligence results.

A)Push publishing
B)Pull publishing
C)Data acquisition
D)Data mining

Answer 2

B

Question 3

The data that an organization purchases from data vendors can act as the source data for a business intelligence system.

Answer 3

True

Question 4

Which of the following is a fundamental category of business intelligence (BI)analysis?

A)data acquisition
B)reporting
C)push publishing
D)pull publishing

Question 5

Project management is one of the few domains in which business intelligence is rarely used.

Question 6

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

A)Data manipulation
B)BI analysis
C)Publish results
D)Data acquisition

Question 7

As information systems,BI systems have three standard components.

Question 8

What is predictive policing?

Question 9

What are the three primary activities in the business intelligence process?

Question 10

Using BI for identifying changes in the purchasing patterns of customers is a labor-intensive process.

Question 11

The three fundamental categories of BI analysis are reporting,data mining,and BigData.

Question 12

Business intelligence enables police departments to better utilize their personnel through predictive policing.

Question 13

What are business intelligence systems?

Question 14

Push publishing requires a user to request BI results.

Question 15

Which of the following activities in the business intelligence process involves delivering business intelligence to the knowledge workers who need it?

A)data acquisition
B)BI analysis
C)publish results
D)data mining

Question 16

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

Question 17

________ process operational and other data in organizations to analyze past performance and make predictions.

A)Virtualization techniques
B)Live migration techniques
C)Business intelligence systems
D)Windowing systems

Question 18

Which of the following statements is true of business intelligence (BI)systems?

A)Business intelligence systems are primarily used for developing software systems and data mining applications.
B)The four standard components of business intelligence systems are software,procedures,applications,and programs.
C)The software component of a business intelligence system is called an intelligence database.
D)Business intelligence systems analyze an organization's past performance to make predictions.

Question 19

The patterns,relationships,and trends identified by BI systems are called business intelligence.

Question 20

How does business intelligence help marketers identify changes in the purchasing patterns of customers?

Question 21

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

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

Question 22

If the granularity of certain data is too coarse,the data can be separated into constituent parts using statistical techniques.

Question 23

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

Question 24

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

Question 25

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

Question 26

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

Question 27

Data granularity refers to the level of detail represented by data.

Question 28

Which of the following statements is true of a data warehouse?

A)A data warehouse is larger than a data mart.
B)A data warehouse functions like a retail store in a supply chain.
C)Users in a data warehouse obtain data pertaining to a business function from a data mart.
D)Data analysts who work with a data warehouse are experts in a particular business function.

Question 29

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

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

Question 30

________ refers to the level of detail represented by data.

A)Abstraction
B)Granularity
C)Dimensionality
D)Aggregation

Question 31

The granularity in clickstream data is too coarse.

Question 32

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

Question 33

The more attributes there are in a sample data,the easier it is to build a model that fits the sample data,but that is worthless as a predictor.Which of the following best explains this phenomenon?

A)the free rider problem
B)the curse of dimensionality
C)the tragedy of the commons
D)the zero-sum game

Question 34

External data purchased from outside resources are not included in data warehouses.

Question 35

Which of the following statements is true of data with granularity?

A)It can be too fine or too coarse and also have wrong granularity.
B)If granularity is too coarse,data can be made finer by summing and combining.
C)It is not possible to have a wrong granularity for a data.
D)If granularity is too coarse,data can be separated into constituent parts using regression.

Question 36

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

A)data mart
B)data room
C)datasheet
D)dataspace

Question 37

Problematic data are termed ________.

A)random data
B)macro data
C)vague data
D)dirty data

Question 38

Which of the following problems is particularly common for data that have been gathered over time?

A)wrong granularity
B)lack of integration
C)lack of consistency
D)missing values

Question 39

Differentiate between push publishing and pull publishing.

Question 40

Users in a data mart obtain data that pertain to a particular business function from a ________.

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

Question 41

Users in a data mart obtain data that pertain to a particular business function from a data warehouse.

Question 42

________ are reports produced when something out of predefined bounds occurs.

A)Exception reports
B)Static reports
C)Dynamic reports
D)Subscription reports

Question 43

What is clickstream data?

Question 44

________ techniques emerged from the combined discipline of statistics,mathematics,artificial intelligence,and machine-learning.

A)Push publishing
B)Pull publishing
C)Data mining
D)Exception reporting

Question 45

Explain the functions of a data warehouse.

Question 46

________ is the process of sorting,grouping,summing,filtering,and formatting structured data.

A)Push publishing
B)Publish results
C)Cloud computing
D)Reporting analysis

Question 47

An advantage of data warehouses is the low cost required to create,staff,and operate them.

Question 48

How is a data warehouse different from a data mart?

Question 49

Data analysts who work with data warehouses are experts at data management,data cleaning,data transformation,and data relationships.

Question 50

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

Question 51

The curse of dimensionality states that the more attributes there are,the more difficult it is to build a model that fits the sample data.

Question 52

What is data granularity?

Question 53

Which of the following refers to data in the form of rows and columns?

A)granulated data
B)structured data
C)micro data
D)coarse data

Question 54

________ 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

Question 55

________ 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

Question 56

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

Question 57

Data marts are usually larger than data warehouses.

Question 58

Which of the following statements is true of unsupervised data mining?

A)Analysts apply unsupervised data mining techniques to estimate the parameters of a developed model.
B)Analysts create hypotheses only after performing an analysis.
C)Regression analysis is the most commonly used unsupervised data mining technique.
D)Data miners develop models prior to performing an analysis.

Question 59

What are the functions of a data warehouse?

Question 60

Explain the curse of dimensionality.

Question 61

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.

Question 62

________ is an open source program supported by the Apache Foundation that manages thousands of computers and that implements MapReduce.

A)Hadoop
B)BigData
C)Linux
D)Apache Wave

Question 63

What is data mining?

Question 64

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

Question 65

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

Question 66

Which of the following statements is true of Hadoop?

A)Hadoop is written in C++ and runs on Linux.
B)Hadoop includes a query language called Big.
C)Hadoop is an open source program that implements MapReduce.
D)Technical skills are not required to run and use Hadoop.

Question 67

The results generated in the map phase are combined in the ________ phase.

A)pig
B)control
C)reduce
D)construct

Question 68

Structured data is data in the form of rows and columns.

Question 69

Explain supervised data mining.

Question 70

BigData has low velocity and is generated slowly.

Question 71

With unsupervised data mining,analysts do not create a model or hypothesis before running the analysis.

Question 72

Reporting analysis is used primarily for classifying and predicting BI data.

Question 73

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

Question 74

________ is used to measure the impact of a set of variables on another variable during data mining.

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

Question 75

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

Question 76

BigData refers to data that have great variety and may have structured data as well as different formats.

Question 77

Regression analysis is used in ________.

A)progress reporting
B)bug reporting
C)supervised data mining
D)unsupervised data mining

Question 78

In the ________ phase,a BigData collection is broken into pieces and hundreds or thousands of independent processors search these pieces for something of interest.

A)crash
B)break
C)reduce
D)map

Question 79

BigData has volume,velocity,and variation characteristics that far exceed those of traditional reporting and data mining.

Question 80

What is unsupervised data mining?