Question 1

On a data-flow diagram, a diamond represents a process.

Accepted Answer

A) True 
 B)False

Question 2

For each of the following statements, answer "a" if the statement is a true data-flow diagramming rule, and answer "b" if the rule is false.
-Data cannot move directly to an outside sink from a data store.

Accepted Answer

The answer of For each of the following statements, answer...

Question 3

Match each of the following terms with its description.
-Using data-flow diagrams to discover discrepancies between two or more sets of data-flow diagrams, representing two or more states of an information system, or discrepancies within a single DFD

Accepted Answer

A) Gap analysis 
B) Functional decomposition 
C) Process modeling 
D) Balancing 
E) DFD completeness

Question 4

Match each of the following terms with its description.
-A data-flow diagram that represents a system's major processes, data flows, and data stores at a high level of detail

Accepted Answer

A) Source/sink 
B) Level-0 diagram 
C) Data flow 
D) Data store 
E) Balancing
F)DFD completeness
G)DFD consistency
H)Level-n diagram
I)Primitive DFD
J)Process
K)Gap analysis

Question 5

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 6

Match each of the data-flow diagramming symbols with corresponding examples.(Answers may occur more than once.)
-Student enrollment file

Accepted Answer

A) Process 
B) Data flow 
C) Source/sink 
D) Data store

Question 7

By placing a data store between two processes, this:

Accepted Answer

A)  decouples the processes. 
B)  enables store and forward capabilities. 
C)  enhances the flow of data between the processes. 
D)  structures the processes. 
E)  disintegrates the processes.

Question 8

The part of a decision table that lists the actions that result for a given set of conditions is called:

Accepted Answer

A)  action stubs. 
B)  condition stubs. 
C)  rule section. 
D)  execution stubs. 
E)  processing stubs.

Question 9

Match each of the following terms with its description.
-The conservation of inputs and outputs to a data-flow diagram process when that process is decomposed to a lower level

Accepted Answer

A) Gap analysis 
B) Functional decomposition 
C) Process modeling 
D) Balancing 
E) DFD completeness

Question 10

Match each of the following terms with its description.
-The conservation of inputs and outputs to a data-flow diagram process when that process is decomposed to a lower level

Accepted Answer

A) Source/sink 
B) Level-0 diagram 
C) Data flow 
D) Data store 
E) Balancing
F)DFD completeness
G)DFD consistency
H)Level-n diagram
I)Primitive DFD
J)Process
K)Gap analysis

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

For each of the following statements, answer "a" if the statement is a true data-flow diagramming rule, and answer "b" if the rule is false.
-A process has a noun phrase label.

Accepted Answer

The answer of For each of the following statements, answer...

Question 13

Data-flow diagramming is one of several structured analysis techniques used to increase software development productivity.

Accepted Answer

A) True 
 B)False

Question 14

Match each of the data-flow diagramming symbols with corresponding examples.(Answers may occur more than once.)
-Customer order

Accepted Answer

A) Process 
B) Data flow 
C) Source/sink 
D) Data store

Question 15

For each of the following statements, answer "a" if the statement is a true data-flow diagramming rule, and answer "b" if the rule is false.
-There must be at least one other process that handles the data flow, produces some other data flow, and returns the original data flow to the beginning process.

Accepted Answer

The answer of For each of the following statements, answer...

Question 16

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.

Accepted Answer

A) True 
 B)False

Question 17

Match each of the following terms with its description.
-Data at rest, which may take the form of many different physical representations

Accepted Answer

A) Source/sink 
B) Level-0 diagram 
C) Data flow 
D) Data store 
E) Balancing
F)DFD completeness
G)DFD consistency
H)Level-n diagram
I)Primitive DFD
J)Process
K)Gap analysis

Question 18

Graphically representing the processes that capture, manipulate, store, and distribute data between a system and its environment and among components within a system refers to:

Accepted Answer

A)  data modeling. 
B)  structure modeling. 
C)  process modeling. 
D)  transition modeling. 
E)  logic modeling.

Question 19

To keep a data-flow diagram uncluttered, you may repeat data stores, sinks/sources, and processes.

Accepted Answer

A) True 
 B)False

Question 20

Match each of the data-flow diagramming symbols with corresponding examples.(Answers may occur more than once.)
-Sales report

Accepted Answer

A) Process 
B) Data flow 
C) Source/sink 
D) Data store

Exam 6: Structuring System Requirements: Process Modeling

On a data-flow diagram, a diamond represents a process.

For each of the following statements, answer "a" if the statement is a true data-flow diagramming rule, and answer "b" if the rule is false. -Data cannot move directly to an outside sink from a data store.

Match each of the following terms with its description. -Using data-flow diagrams to discover discrepancies between two or more sets of data-flow diagrams, representing two or more states of an information system, or discrepancies within a single DFD

Match each of the following terms with its description. -A data-flow diagram that represents a system's major processes, data flows, and data stores at a high level of detail

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

Match each of the data-flow diagramming symbols with corresponding examples.(Answers may occur more than once.) -Student enrollment file

By placing a data store between two processes, this:

The part of a decision table that lists the actions that result for a given set of conditions is called:

Match each of the following terms with its description. -The conservation of inputs and outputs to a data-flow diagram process when that process is decomposed to a lower level

Match each of the following terms with its description. -The conservation of inputs and outputs to a data-flow diagram process when that process is decomposed to a lower level

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

For each of the following statements, answer "a" if the statement is a true data-flow diagramming rule, and answer "b" if the rule is false. -A process has a noun phrase label.

Data-flow diagramming is one of several structured analysis techniques used to increase software development productivity.

Match each of the data-flow diagramming symbols with corresponding examples.(Answers may occur more than once.) -Customer order

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.

Match each of the following terms with its description. -Data at rest, which may take the form of many different physical representations

Graphically representing the processes that capture, manipulate, store, and distribute data between a system and its environment and among components within a system refers to:

To keep a data-flow diagram uncluttered, you may repeat data stores, sinks/sources, and processes.

Match each of the data-flow diagramming symbols with corresponding examples.(Answers may occur more than once.) -Sales report