Deck 9: Business Intelligence Systems

Question 1

The software component of a business intelligence system is called a business intelligence database.

Answer 1

False

Question 2

Publish results is the process of delivering business intelligence to the knowledge workers who need it.

Answer 2

True

Question 3

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

Answer 3

True

Question 4

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

Question 5

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

Question 6

What is predictive-policing?

Question 7

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

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

Question 8

Data mining is the process of obtaining,cleaning,organising,relating,and cataloging source data.

Question 9

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

Question 10

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 software component of a business intelligence system is called an intelligence database.
C)Business intelligence systems analyse an organisation's past performance to make predictions.
D)The four standard components of business intelligence systems are software,procedures,applications,and programs.

Question 11

________ requires users to request business intelligence results.

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

Question 12

Business intelligence systems are information systems that process operational and other data to analyse past performance and to make predictions.

Question 13

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

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

Question 14

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

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

Question 15

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

Question 16

Pull publishing delivers business intelligence to users without any request from the users.

Question 17

What are business intelligence systems?

Question 18

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

Question 19

________ process operational and other data in organisations to analyse past performance and make predictions.

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

Question 20

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

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

Question 21

Facts about data,such as its source,format,assumptions,and constraints,are called metadata.

Question 22

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

Question 23

Differentiate between push publishing and pull publishing.

Question 24

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

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

Question 25

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

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

Question 26

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

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

Question 27

________ refers to the level of detail represented by data.

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

Question 28

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

Question 29

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

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

Question 30

The purpose of a ________ is 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 centre
C)data room
D)data warehouse

Question 31

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

A)A data warehouse functions like a retail store in a supply chain.
B)A data warehouse is larger than a data mart.
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 32

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

A)Granularity refers to the level of detail represented by the data.
B)If granularity is too coarse,data can be separated into constituent parts using regression.
C)The granularity of clickstream data is too coarse.
D)If granularity is too coarse,data can be made finer by summing and combining.

Question 33

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

Question 34

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

Question 35

Problematic data are termed dirty data.

Question 36

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

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

Question 37

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

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

Question 38

Problematic data are referred to as ________.

A)rough data
B)clickstream data
C)granular data
D)dirty data

Question 39

The granularity in clickstream data is too coarse.

Question 40

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

Question 41

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

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

Question 42

What is clickstream data?

Question 43

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

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

Question 44

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

Question 45

What is data granularity?

Question 46

Explain the curse of dimensionality.

Question 47

Data marts are usually larger than data warehouses.

Question 48

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

Question 49

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

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

Question 50

Explain the functions of a data warehouse.

Question 51

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

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

Question 52

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

A)Push publishing
B)Reporting analysis
C)Cloud computing
D)Pull publishing

Question 53

What are the functions of a data warehouse?

Question 54

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 55

How is a data warehouse different from a data mart?

Question 56

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

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

Question 57

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

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

Question 58

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

Question 59

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

A)problematic data
B)granulated data
C)structured data
D)nonintegrated data

Question 60

Data analysts who work with data warehouses are not usually experts in a given business function.

Question 61

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

A)control
B)Reduce
C)construct
D)Pig

Question 62

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

Question 63

Which of the following statements is true of Hadoop?

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

Question 64

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

Question 65

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

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

Question 66

Regression analysis is used in ________.

A)exception reporting
B)supervised data mining
C)unsupervised data mining
D)static reporting

Question 67

BigData has low velocity and is generated slowly.

Question 68

What is data mining?

Question 69

What is unsupervised data mining?

Question 70

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

Question 71

BigData refers to data sets that are at least a petabyte in size.

Question 72

Explain supervised data mining.

Question 73

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

Question 74

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

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

Question 75

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

Question 76

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

Question 77

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)Map
B)crash
C)control
D)Pig

Question 78

Which of the following statements is true of BigData?

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

Question 79

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

Question 80

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