Question 1

The lowest level of DFDs are:

Accepted Answer

A)  level-0 diagrams. 
B)  context diagrams. 
C)  level-1 diagrams. 
D)  primitive data-flow diagrams. 
E)  systematic diagrams.

Question 2

Which of the following is NOT a process modeling deliverable?

Accepted Answer

A)  A context data-flow diagram 
B)  Thorough descriptions of each DFD component 
C)  DFDs of the current physical system 
D)  An entity relationship diagram 
E)  DFDs of the new logical system

Question 3

Data on a customer form could be represented on a data-flow diagram as a data flow.

Accepted Answer

A) True 
 B)False

Question 4

A data-flow diagram that represents a system's major processes, data flows, and data stores at a high level of detail refers to a:

Accepted Answer

A)  context diagram. 
B)  level-1 diagram. 
C)  level-0 diagram. 
D)  level-00 diagram. 
E)  logic diagram.

Question 5

A data-flow diagram (DFD) is a graphical tool that allows analysts to illustrate the flow of data in an information system.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is NOT a True statement regarding data flows?

Accepted Answer

A)  A data flow can go directly back to the same process it leaves. 
B)  A fork in a data flow means that exactly the same data go from a common location to two or more different processes, data stores, or sources/sinks. 
C)  A data flow from a data store means retrieve or use. 
D)  A data flow has a noun-phrase label. 
E)  A data flow has only one direction of flow between symbols.

Question 7

On a data-flow diagram, you may:

Accepted Answer

A)  repeat data stores and processes. 
B)  repeat sources/sinks and processes. 
C)  only repeat processes. 
D)  repeat relationships. 
E)  repeat both data stores and sources/sinks.

Question 8

To date, data-flow diagrams have not been useful tools for modeling processes in business process reengineering.

Accepted Answer

A) True 
 B)False

Question 9

The extent to which all necessary components of a data-flow diagram have been included and fully described defines:

Accepted Answer

A)  DFD consistency. 
B)  DFD completeness. 
C)  DFD gap proofing. 
D)  DFD flexibility. 
E)  DFD cohesion.

Question 10

Data-flow diagrams allow you to:

Accepted Answer

A)  show the timing of data flows. 
B)  model how data flow through an information system. 
C)  demonstrate the sequencing of activities. 
D)  show the relationship among entities. 
E)  represent the internal structure and functionality of processes.

Question 11

An arrow on a data-flow diagram represents a(n):

Accepted Answer

A)  data store. 
B)  data flow. 
C)  process. 
D)  source. 
E)  action sequence.

Question 12

A process has a verb label.

Accepted Answer

A) True 
 B)False

Question 13

DFD cohesion means your DFDs include all of the necessary components for the system you are modeling.

Accepted Answer

A) True 
 B)False

Question 14

On a data-flow diagram, a check and payment coupon mailed to the company is represented as a data store.

Accepted Answer

A) True 
 B)False

Question 15

The diagram that shows the scope of the system, indicating what elements are inside and outside the system, is called a:

Accepted Answer

A)  context diagram. 
B)  level-2 diagram. 
C)  referencing diagram. 
D)  representative diagram. 
E)  decomposition diagram.

Question 16

Assume your local veterinarian records information about each of his patients on patient medical history forms; the collection of medical history forms is represented on a data-flow diagram as a data store.

Accepted Answer

A) True 
 B)False

Question 17

A file folder containing orders would be represented on a data-flow diagram as a:

Accepted Answer

A)  process. 
B)  source. 
C)  data flow. 
D)  data store. 
E)  relationship.

Question 18

Techniques used for modeling system logic include:

Accepted Answer

A)  flow charts. 
B)  decision tables. 
C)  data-flow diagrams. 
D)  dialogue charts. 
E)  entity-relationship diagrams.

Question 19

The calculation of a student's grade is represented on a data-flow diagram as a data flow.

Accepted Answer

A) True 
 B)False

Question 20

A primitive level data-flow diagram is the first deliverable produced during requirements structuring.

Accepted Answer

A) True 
 B)False

Exam 6: Structuring System Requirements: Process Modeling

The lowest level of DFDs are:

Which of the following is NOT a process modeling deliverable?

Data on a customer form could be represented on a data-flow diagram as a data flow.

A data-flow diagram that represents a system's major processes, data flows, and data stores at a high level of detail refers to a:

A data-flow diagram (DFD) is a graphical tool that allows analysts to illustrate the flow of data in an information system.

Which of the following is NOT a True statement regarding data flows?

On a data-flow diagram, you may:

To date, data-flow diagrams have not been useful tools for modeling processes in business process reengineering.

The extent to which all necessary components of a data-flow diagram have been included and fully described defines:

Data-flow diagrams allow you to:

An arrow on a data-flow diagram represents a(n) :

A process has a verb label.

DFD cohesion means your DFDs include all of the necessary components for the system you are modeling.

On a data-flow diagram, a check and payment coupon mailed to the company is represented as a data store.

The diagram that shows the scope of the system, indicating what elements are inside and outside the system, is called a:

Assume your local veterinarian records information about each of his patients on patient medical history forms; the collection of medical history forms is represented on a data-flow diagram as a data store.

A file folder containing orders would be represented on a data-flow diagram as a:

Techniques used for modeling system logic include:

The calculation of a student's grade is represented on a data-flow diagram as a data flow.

A primitive level data-flow diagram is the first deliverable produced during requirements structuring.