Deck 9: Business Intelligence Systems

Question 1

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.

Answer 1

D

Question 2

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

Answer 2

D

Question 3

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

Answer 3

C

Question 4

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 5

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

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

Question 6

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 7

The use of an organization's operational data as the source data for a BI 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 external data and not internal data regarding an organization's functions

Question 8

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

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

Question 9

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 made finer by summing and combining.
C) The granularity of clickstream data is too coarse.
D) If granularity is too coarse, data can be separated into constituent parts using regression.

Question 10

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

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

Question 11

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

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

Question 12

Problematic data are referred to as ________.

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

Question 13

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 14

________ requires users to request business intelligence results.

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

Question 15

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

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

Question 16

________ refers to the level of detail represented by data.

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

Question 17

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 center
C) data room
D) data warehouse

Question 18

________ 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

Question 19

A ________ is a data collection 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 20

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

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

Question 21

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) control
C) Pig
D) Map

Question 22

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 23

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

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

Question 24

The ________ of business intelligence servers maintains metadata about the authorized allocation of business intelligence results to users.

A) exception report
B) dynamic report
C) delivery function
D) management function

Question 25

________ reports are business intelligence documents that are updated at the time they are requested.

A) Subscriptions
B) Third-party cookies
C) Static
D) Dynamic

Question 26

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 27

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

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

Question 28

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

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

Question 29

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

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

Question 30

________ 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 31

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 entitled Big.
C) Hadoop is an open-source program that implements MapReduce.
D) Technical skills are not required to run and use Hadoop.

Question 32

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) Publishing dynamic BI is more difficult than publishing static content.
C) For static content, the skill required to create a publishing application is high.
D) For Web servers, push options are manual.

Question 33

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) Regression analysis is the most commonly used unsupervised data mining technique.
D) Data miners develop models prior to performing an analysis.

Question 34

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

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

Question 35

________ 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 36

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

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

Question 37

Regression analysis is used in ________.

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

Question 38

________ are user requests for particular business intelligence results on a particular schedule or in response to particular events.

A) Subscriptions
B) Third-party cookies
C) Static reports
D) Dynamic reports

Question 39

________ are business intelligence documents that are fixed at the time of creation and do not change.

A) Subscriptions
B) Third-party cookies
C) Static reports
D) Exception reports

Question 40

________ 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 41

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

Question 42

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

Question 43

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

Question 44

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

Question 45

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

Question 46

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

Question 47

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

Question 48

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

Question 49

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

Question 50

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

Question 51

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

Question 52

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

Question 53

Data marts are usually larger than data warehouses.

Question 54

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

Question 55

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 56

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

Question 57

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

Question 58

Problematic data are termed dirty data.

Question 59

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

Question 60

The granularity in clickstream data is too coarse.

Question 61

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

Question 62

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

Question 63

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

Question 64

The management function of BI servers maintains metadata about the authorized allocation of BI results to users.

Question 65

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

Question 66

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

Question 67

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

Question 68

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

Question 69

What is predictive-policing?

Question 70

A printed sales analysis is an example of a dynamic report.

Question 71

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

Question 72

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

Question 73

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

Question 74

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

Question 75

What are business intelligence systems?

Question 76

BigData has low velocity and is generated slowly.

Question 77

Static reports are business intelligence documents that are updated at the time they are requested.

Question 78

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

Question 79

For dynamic content,the skills required to create a publishing application are low.

Question 80

Push options are manual when emails or collaboration tools are used for BI publishing.