Question 1

Decision trees are good at sorting through lots of data and making binary:
A) projections.
B) classifications.
C) forecasts.
D) analysis.
E) decisions.

Accepted Answer

Decision trees are good at sorting through lots of data and making binary classifications.

Question 2

To obtain a(n) ___________report, users go to a Web portal or digital dashboard and click on a link or button to produce and deliver the report.
A) pull
B) static
C) push
D) OLAP
E) query

Accepted Answer

A pull report is generated when a user actively requests it by clicking on a link or button, typically through a web portal or digital dashboard.

Question 3

Two ___________of storage would be equivalent to the amount of information in an entire research library.
A) petabytes
B) gigabytes
C) exabytes
D) terabytes

Accepted Answer

D

Question 4

When a decision tree classifies customers into good and bad prospects for future sales, a company should be careful not to ___________ the bad prospects based on this.
A) neglect
B) cross- sell
C) support
D) reveal

Accepted Answer

Neglecting bad prospects could lead to missed opportunities if the model's predictions are not entirely accurate.

Question 5

Tools for searching business data in an attempt to find patterns are called___________ tools.
A) DSS
B) BI
C) KM
D) EDI
E) CRM

Accepted Answer

Business Intelligence (BI) tools are used to analyze business data and find patterns, trends, and insights.

Question 6

Because of problems with operational data, many organizations choose to extract operational data into a(n):
A) OLAP server.
B) database server.
C) EDI application.
D) data warehouse.
E) Web service.

Accepted Answer

A data warehouse is used to extract and store operational data for analysis and reporting, providing a centralized repository for decision-making processes.

Question 7

A petabyte of data is equal to ____________ gigabytes of data.
A) .001
B) 100
C) 1000
D) 1,000,000

Accepted Answer

A petabyte is equal to 1,024 terabytes, and since each terabyte is 1,024 gigabytes, a petabyte is 1,024 x 1,024 = 1,048,576 gigabytes, which is approximately 1,000,000 gigabytes.

Question 8

___________security precautions are more difficult to implement than physical security precautions.
A) Auditing
B) Illegal
C) Information system
D) Semantic

Accepted Answer

The answer of ___________security precautions are more difficult to implement...

Question 9

Before it can be loaded into the data warehouse, operational data must be extracted and:
A) sorted.
B) cleaned.
C) processed.
D) filtered.

Accepted Answer

Operational data must be cleaned to ensure accuracy and consistency before it is loaded into a data warehouse.

Question 10

___________reports allow users to drill down to view increasingly detailed levels of the data.
A) Dynamic
B) OLAP
C) Pull
D) Query
E) Push

Accepted Answer

OLAP (Online Analytical Processing) reports allow users to drill down into data to view more detailed levels, enabling complex data analysis and exploration.

Question 11

The purpose of a business intelligence system is to provide the right information to the right people at the right:
A) place.
B) price.
C) time.
D) situation.

Accepted Answer

The primary goal of a business intelligence system is to deliver timely information to decision-makers, enabling them to make informed decisions at the right time.

Question 12

A reporting system supports the reporting process by helping to___________ , manage, and deliver reports.
A) publish
B) update
C) author
D) browse
E) retrieve

Accepted Answer

The answer of A reporting system supports the reporting process...

Question 13

All the words ever spoken by human beings could be stored on five ____________ of storage capacity.
A) exabytes
B) gigabytes
C) terabytes
D) megabytes
E) petabytes

Accepted Answer

The answer of All the words ever spoken by human...

Question 14

___________reports have measures and dimensions and allow users to change them.
A) OLAP
B) Pull
C) Static
D) Push
E) Query

Accepted Answer

OLAP (Online Analytical Processing) reports have measures and dimensions and allow users to interactively analyze data by changing these elements.

Question 15

___________is the best known example of an indexing engine.
A) BI system
B) KM
C) Yahoo
D) Google
E) RSS

Accepted Answer

Google is the best known example of an indexing engine, as it is a widely used search engine that indexes web pages to provide search results.

Question 16

If you wanted to see which products that customers tended to buy together, so that you could cross- market them you would perform a(n) ______________analysis.
A) regression
B) neural network
C) RFM
D) market- basket
E) OLAP

Accepted Answer

Market-basket analysis is used to identify products that are frequently purchased together, which is useful for cross-marketing strategies.

Question 17

Reports may process data into information by _______the source data.
A) updating
B) displaying
C) downloading
D) filtering

Accepted Answer

Filtering the source data helps in processing it into meaningful information by removing unnecessary details and focusing on relevant data.

Question 18

___________is a problem that occurs when data- mining is used to create overly complex models that are not suited to making accurate predictions.
A) Dirty data
B) Overfitting
C) Inconsistent data
D) Model degradation

Accepted Answer

Overfitting occurs when a data-mining model is too complex and does not generalize well to new data.

Question 19

Discussion groups and FAQs are forms of organizational:
A) CM.
B) BI.
C) RFM.
D) expert system.
E) KM.

Accepted Answer

Discussion groups and FAQs are forms of organizational Knowledge Management (KM), which involves capturing, distributing, and effectively using knowledge within an organization.

Question 20

___________reads data from an operational database, performs calculations, and stores them on an OLAP database.
A) Drill down databases
B) OLAP servers
C) Operational servers
D) Access

Accepted Answer

OLAP servers read data from operational databases, perform complex calculations and analyses, and store the results in an OLAP database for quick retrieval and reporting.

Quiz 9: Business Intelligence Systems

Decision trees are good at sorting through lots of data and making binary:

To obtain a(n) ___________report, users go to a Web portal or digital dashboard and click on a link or button to produce and deliver the report.

Two ___________of storage would be equivalent to the amount of information in an entire research library.

When a decision tree classifies customers into good and bad prospects for future sales, a company should be careful not to ___________ the bad prospects based on this.

Tools for searching business data in an attempt to find patterns are called___________ tools.

Because of problems with operational data, many organizations choose to extract operational data into a(n) :

A petabyte of data is equal to ____________ gigabytes of data.

___________security precautions are more difficult to implement than physical security precautions.

Before it can be loaded into the data warehouse, operational data must be extracted and:

___________reports allow users to drill down to view increasingly detailed levels of the data.

The purpose of a business intelligence system is to provide the right information to the right people at the right:

A reporting system supports the reporting process by helping to___________ , manage, and deliver reports.

All the words ever spoken by human beings could be stored on five ____________ of storage capacity.

___________reports have measures and dimensions and allow users to change them.

___________is the best known example of an indexing engine.

If you wanted to see which products that customers tended to buy together, so that you could cross- market them you would perform a(n) ______________analysis.

Reports may process data into information by _______the source data.

___________is a problem that occurs when data- mining is used to create overly complex models that are not suited to making accurate predictions.

Discussion groups and FAQs are forms of organizational:

___________reads data from an operational database, performs calculations, and stores them on an OLAP database.