Question 1

Accurate information asks if the aggregate or summary information is in agreement with detailed information.

Accepted Answer

A) True 
 B)False

Question 2

What is machine-generated data?

Accepted Answer

A)  has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address
B)  created by a machine without human intervention
C)  data that humans, in interaction with computers, generate
D)  not defined, does not follow a specified format, and is typically freeform text such as emails, Twitter tweets, and text messagesE) B) and C)
F) C) and D)

Question 3

Veracity includes the uncertainty of data, including biases, noise, and abnormalities.

Accepted Answer

A) True 
 B)False

Question 4

What is a dynamic website?

Accepted Answer

A)  the person responsible for creating the original website content
B)  includes data that change based on user action
C)  information stored in a dynamic catalog, or an area of a website that stores information about products in a database
D)  an interactive website kept constantly updated and relevant to the needs of its customers using a databaseE) All of the above
F) A) and B)

Question 5

What is a statement about what will happen or might happen in the future; for example, predicting future sales or employee turnover?

Accepted Answer

A)  prediction
B)  optimization
C)  forecasting
D)  regressionE) All of the above
F) A) and B)

Question 6

Clustering assigns records to one of a predefined set of classes.

Accepted Answer

A) True 
 B)False

Question 7

Some of the serious business consequences that occur due to using low-quality information to make decisions are all of the following except

Accepted Answer

A)  inability to accurately track customers.
B)  inability to identify selling opportunities.
C)  the success of the organization depends on appreciating and leveraging the low-quality information.
D)  lost revenue opportunities from marketing to nonexistent customers.E) A) and C)
F) All of the above

Question 8

Which of the following is true in regard to the elimination of redundant information?

Accepted Answer

A)  uses additional hard disk space
B)  makes performing information updates harder
C)  improves information quality
D)  All of these are correct.E) A) and D)
F) B) and C)

Question 9

Which of the following is incorrect in reference to a database?

Accepted Answer

A)  A database can be relational or network.
B)  Database information is accessed by logical structure.
C)  Database information is accessed by physical structure.
D)  Database users can have different views of information.E) B) and C)
F) A) and B)

Question 10

The primary purpose of a data warehouse is to perform transactional processes.

Accepted Answer

A) True 
 B)False

Question 11

What determines which things go together?

Accepted Answer

A)  classification
B)  estimation
C)  affinity grouping
D)  clusteringE) B) and C)
F) A) and B)

Question 12

The example the book gave of www.EllisIsland.org, which generates more than 2.5 billion hits, is a site that offers a database that can easily adjust to handle massive volumes of information.What is this an example of?

Accepted Answer

A)  increased scalability and performance
B)  increased information security
C)  reduced information redundancy
D)  increased flexibilityE) C) and D)
F) A) and B)

Question 13

A data-driven website can help limit the amount of information displayed to customers based on unique search requirements.

Accepted Answer

A) True 
 B)False

Question 14

Regression is a statistical process for estimating the relationships among variables.It includes many techniques for modeling and analyzing several variables when the focus is on the relationship between a dependent variable and one or more independent variables.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following encompasses all of the information contained within a single business process or unit of work, and its primary purpose is to support daily operational tasks?

Accepted Answer

A)  targeted information
B)  analytical information
C)  productive information
D)  transactional informationE) A) and B)
F) None of the above

Question 16

Real-time information refers to the extent of detail within the information (fine and detailed or coarse and abstract).

Accepted Answer

A) True 
 B)False

Question 17

Which of the following describes ETL?

Accepted Answer

A)  a process that extracts information from internal and external databases
B)  a process that transforms information using a common set of enterprise definitions
C)  a process that loads information into a data warehouse
D)  All of these are correct.E) C) and D)
F) None of the above

Question 18

Information quality refers to the extent of detail within the information (fine and detailed or coarse and abstract).

Accepted Answer

A) True 
 B)False

Question 19

What are rules that help ensure the quality of information?

Accepted Answer

A)  information integrity
B)  integrity constraints
C)  information quality
D)  information ethicsE) A) and D)
F) B) and D)

Question 20

What is created by a machine without human intervention?

Accepted Answer

A)  structured data
B)  machine-generated data
C)  human-generated data
D)  unstructured dataE) A) and B)
F) A) and C)

Exam 6: Data: Business Intelligence

What are rules that help ensure the quality of information?

Correct AnswerverifiedShow Answer

What is a dynamic website?

Correct AnswerverifiedShow Answer

Which of the following is incorrect in reference to a database?

Correct AnswerverifiedShow Answer

Some of the serious business consequences that occur due to using low-quality information to make decisions are all of the following except

Correct AnswerverifiedShow Answer

Real-time information refers to the extent of detail within the information (fine and detailed or coarse and abstract).

Correct AnswerverifiedShow Answer

The example the book gave of www.EllisIsland.org, which generates more than 2.5 billion hits, is a site that offers a database that can easily adjust to handle massive volumes of information.What is this an example of?

Correct AnswerverifiedShow Answer

A data-driven website can help limit the amount of information displayed to customers based on unique search requirements.

Correct AnswerverifiedShow Answer

Accurate information asks if the aggregate or summary information is in agreement with detailed information.

Correct AnswerverifiedShow Answer

Information quality refers to the extent of detail within the information (fine and detailed or coarse and abstract).

Correct AnswerverifiedShow Answer

Which of the following encompasses all of the information contained within a single business process or unit of work, and its primary purpose is to support daily operational tasks?

Correct AnswerverifiedShow Answer

What is created by a machine without human intervention?

Correct AnswerverifiedShow Answer

Which of the following describes ETL?

Correct AnswerverifiedShow Answer

Regression is a statistical process for estimating the relationships among variables.It includes many techniques for modeling and analyzing several variables when the focus is on the relationship between a dependent variable and one or more independent variables.

Correct AnswerverifiedShow Answer

What is a statement about what will happen or might happen in the future; for example, predicting future sales or employee turnover?

Correct AnswerverifiedShow Answer

What determines which things go together?

Correct AnswerverifiedShow Answer

What is machine-generated data?

Correct AnswerverifiedShow Answer

Which of the following is true in regard to the elimination of redundant information?

Correct AnswerverifiedShow Answer

Veracity includes the uncertainty of data, including biases, noise, and abnormalities.

Correct AnswerverifiedShow Answer

The primary purpose of a data warehouse is to perform transactional processes.

Correct AnswerverifiedShow Answer

Clustering assigns records to one of a predefined set of classes.

Correct AnswerverifiedShow Answer

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