Question 1

Big Data can be used to collate data that is present in different formats.

Accepted Answer

A) True 
 B)False

Question 2

Managing data comes at a high cost to a company.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements about Big Data is NOT true?

Accepted Answer

A)   Big Data is difficult to define.
B)   Big Data includes structured, unstructured, and semi-structured data.
C)   Big Data does not include images.
D)   Big Data exhibits variety.E) A) and B)
F) All of the above

Question 4

Which of the following statements is true about the difficulty of managing data?

Accepted Answer

A)   The amount of data stays about the same over time.
B)   Data are scattered throughout organizations.
C)   The decreasing amount of external data needs to be considered.
D)   Data security is easy to maintain.
E)   Data are stored in the same format across organizations.F) A) and E)
G) None of the above

Question 5

The most important benefit of knowledge management systems is _____.

Accepted Answer

A)   better access to customers' complaints
B)   they make best practices available to employees
C)   distribution of organizational policies
D)   improved morale among employees
E)   they highlight the business units that generate the highest profitsF) A) and B)
G) A) and C)

Question 6

The physical location of thousands of plants can be tracked using radio-frequency identification tags.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following words best describes the characteristics of explicit knowledge?

Accepted Answer

A)   Objective
B)   Personal
C)   Slow
D)   Costly to transfer
E)   AmbiguousF) B) and C)
G) C) and D)

Question 8

Big Data cannot be used to present information about a patient to any doctor that the patient visits.

Accepted Answer

A) True 
 B)False

Question 9

In a database, the primary key is used to _____.

Accepted Answer

A)   specify an entity
B)   create linked lists
C)   identify duplicated data
D)   uniquely identify a record
E)   uniquely identify an attributeF) A) and E)
G) B) and C)

Question 10

Place the following members of the data hierarchy in the correct order:

Accepted Answer

A)   bit - byte - field - record - database - data file
B)   bit - field - byte - record - data file - database
C)   byte - bit - record - field - database
D)   bit - byte - field - record - data file - database
E)   bit - record - field - byte - data file - databaseF) B) and D)
G) A) and B) D

Question 11

Which of the following is an example of explicit knowledge?

Accepted Answer

A)   Experiences
B)   Insights
C)   Procedural guides
D)   Expertise
E)   ProficiencyF) C) and D)
G) B) and D) C

Question 12

In a relational database that stores information on customers, the second column lists customers' last name. In this instance, the last name is a(n)  _____.

Accepted Answer

A)   attribute
B)   entity
C)   primary key
D)   object
E)   relationF) A) and C)
G) A) and E)

Question 13

Data integrity has been achieved if a database contains the same information under a particular record as other databases.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following statements is true of the differences between data marts and data warehouses?

Accepted Answer

A)   Data marts cost lesser than data warehouses.
B)   Data marts have longer lead time for implementation than data warehouses.
C)   Data marts have central control, whereas data warehouses provide local control.
D)   Data marts contain more information than data warehouses.
E)   Data marts are harder to navigate than data warehouses.F) B) and D)
G) None of the above

Question 15

The total amount of data in the world is increasing exponentially over time.

Accepted Answer

A) True 
 B)False  True

Question 16

_____ are data generated when users visit a Web site and click on hyperlinks.

Accepted Answer

A)   Tracking cookies
B)   Floaters
C)   Clickstream data
D)   Web data
E)   Hyperlink dataF) C) and D)
G) B) and D)

Question 17

Big Data can be used to track every individual plant grown in a particular state.

Accepted Answer

A) True 
 B)False

Question 18

The data in a data warehouse have which of the following characteristics?

Accepted Answer

A)   They are organized by subject.
B)   They are coded in different formats.
C)   They are updated in real time.
D)   They are typically retained for a defined, but limited, period of time
E)   They are updated in real time,F) A) and E)
G) D) and E)

Question 19

The primary key is a field that uniquely and completely identifies a record in a database.

Accepted Answer

A) True 
 B)False

Question 20

Databases can be used to allow physicians to view their patients' medical records the moment they are brought into a hospital.

Accepted Answer

A) True 
 B)False

Exam 3: Data and Knowledge Management

Big Data can be used to collate data that is present in different formats.

Correct AnswerverifiedShow Answer

Managing data comes at a high cost to a company.

Correct AnswerverifiedShow Answer

Which of the following statements about Big Data is NOT true?

Correct AnswerverifiedShow Answer

Which of the following statements is true about the difficulty of managing data?

Correct AnswerverifiedShow Answer

The most important benefit of knowledge management systems is _____.

Correct AnswerverifiedShow Answer

The physical location of thousands of plants can be tracked using radio-frequency identification tags.

Correct AnswerverifiedShow Answer

Which of the following words best describes the characteristics of explicit knowledge?

Correct AnswerverifiedShow Answer

Big Data cannot be used to present information about a patient to any doctor that the patient visits.

Correct AnswerverifiedShow Answer

In a database, the primary key is used to _____.

Correct AnswerverifiedShow Answer

Place the following members of the data hierarchy in the correct order:

Correct AnswerverifiedD

Which of the following is an example of explicit knowledge?

Correct AnswerverifiedC

In a relational database that stores information on customers, the second column lists customers' last name. In this instance, the last name is a(n) _____.

Correct AnswerverifiedShow Answer

Data integrity has been achieved if a database contains the same information under a particular record as other databases.

Correct AnswerverifiedShow Answer

Which of the following statements is true of the differences between data marts and data warehouses?

Correct AnswerverifiedShow Answer

The total amount of data in the world is increasing exponentially over time.

Correct AnswerverifiedTrue

_____ are data generated when users visit a Web site and click on hyperlinks.

Correct AnswerverifiedShow Answer

Big Data can be used to track every individual plant grown in a particular state.

Correct AnswerverifiedShow Answer

The data in a data warehouse have which of the following characteristics?

Correct AnswerverifiedShow Answer

The primary key is a field that uniquely and completely identifies a record in a database.

Correct AnswerverifiedShow Answer

Databases can be used to allow physicians to view their patients' medical records the moment they are brought into a hospital.

Correct AnswerverifiedShow Answer

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D

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C

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True

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