Question 1

A use case:

Accepted Answer

A) summarizes an activity, its trigger, input, and output. 
B) describes a subsystem of a data flow diagram showing how the processes use data produced by other processes. 
C) describes how the data is partitioned into programs for different users. 
D) shows when the data is updated, read, created or deleted. 
A) summarizes an activity, its trigger, input, and output. 
B) describes a subsystem of a data flow diagram showing how the processes use data produced by other processes. 
C) describes how the data is partitioned into programs for different users. 
D) shows when the data is updated, read, created or deleted.

Question 2

In logical data flow diagrams, the type of physical storage is unspecified.

Accepted Answer

A) True 
 B)False

Question 3

An arrow is used to depict an external entity that can give and receive data from the system.

Accepted Answer

A) True 
 B)False

Question 4

Physical data flow diagrams:

Accepted Answer

A) include processes for adding, updating, changing and deleting records. 
B) are used to model business events, along with their input and output. 
C) enable the analyst to better understand the business. 
D) include no interface data flow in or out of processes. 
A) include processes for adding, updating, changing and deleting records. 
B) are used to model business events, along with their input and output. 
C) enable the analyst to better understand the business. 
D) include no interface data flow in or out of processes.

Question 5

A logical data flow diagram shows how the business operates.

Accepted Answer

A) True 
 B)False

Question 6

Transaction files:

Accepted Answer

A) are used when interface data flow exist on data flow diagrams. 
B) may be used to link processes that execute at different times. 
C) are included to store all derived elements. 
D) are required to implement all on-line processes. 
A) are used when interface data flow exist on data flow diagrams. 
B) may be used to link processes that execute at different times. 
C) are included to store all derived elements. 
D) are required to implement all on-line processes.

Question 7

Describe each of the four data items that can be symbolized on a data flow diagram?

Accepted Answer

A double square is used to depict an ext

Question 8

Each external entity is labeled with a noun.

Accepted Answer

A) True 
 B)False

Question 9

What is the middle of the process symbol used for?

Accepted Answer

A) process sequence 
B) identifying number 
C) process description 
D) process implementation 
A) process sequence 
B) identifying number 
C) process description 
D) process implementation

Question 10

Processes in a rectangle with rounded corners sometimes denote something other than a change in or transformation of data or a system/subsystem.

Accepted Answer

A) True 
 B)False

Question 11

When a process has all input or all output data flow, it means that an arrowhead is pointing in the wrong direction or there is a missing data flow.

Accepted Answer

A) True 
 B)False

Question 12

Ajax may be used to obtain data for a Web form without changing Web pages.

Accepted Answer

A) True 
 B)False

Question 13

A use case summarizes an event and defines one activity.

Accepted Answer

A) True 
 B)False

Question 14

Each time an external company or system is involved:

Accepted Answer

A) the processes that handle each of the interactions should be partitioned into one program for security reasons. 
B) a new temporary data store must be used with a process to create the data store. 
C) the process that handles the interaction must be on a secure server. 
D) the process involved needs to be partitioned into a separate program. 
A) the processes that handle each of the interactions should be partitioned into one program for security reasons. 
B) a new temporary data store must be used with a process to create the data store. 
C) the process that handles the interaction must be on a secure server. 
D) the process involved needs to be partitioned into a separate program.

Question 15

Which is the biggest advantage of the data flow approach over narrative explanations?

Accepted Answer

A) freedom from committing to the technical implementation of the system too early 
B) further understanding of the interrelatedness of systems and subsystems 
C) communicating current system knowledge of users through data flow diagrams 
D) conceptual freedom found in the use of the four symbols 
A) freedom from committing to the technical implementation of the system too early 
B) further understanding of the interrelatedness of systems and subsystems 
C) communicating current system knowledge of users through data flow diagrams 
D) conceptual freedom found in the use of the four symbols

Question 16

Base elements are elements that need to be keyed into the system.

Accepted Answer

A) True 
 B)False

Question 17

Why is partitioning useful when designing a Web site?

Accepted Answer

Partitioning is useful when designing a

Question 18

A use case summarizes an event and defines one activity, its trigger, input and output.

Accepted Answer

A) True 
 B)False

Question 19

A primitive process is:

Accepted Answer

A) a process that is not exploded to a child diagram. 
B) the central process on a context level diagram. 
C) a process that requires two or more data flow into it. 
D) a process that has only base elements flowing in or out of it. 
A) a process that is not exploded to a child diagram. 
B) the central process on a context level diagram. 
C) a process that requires two or more data flow into it. 
D) a process that has only base elements flowing in or out of it.

Question 20

The advantage of building data flow diagrams based on events is that:

Accepted Answer

A) events are small scale and easy to analyze for input and output. 
B) users are familiar with the events within their business and know how the events drive other activities. 
C) events fall into one of four categories: read, update, create, delete. 
D) events are predictable and lend a high degree of stability to the data flow diagram. 
A) events are small scale and easy to analyze for input and output. 
B) users are familiar with the events within their business and know how the events drive other activities. 
C) events fall into one of four categories: read, update, create, delete. 
D) events are predictable and lend a high degree of stability to the data flow diagram.

A use case:

In logical data flow diagrams, the type of physical storage is unspecified.

An arrow is used to depict an external entity that can give and receive data from the system.

Physical data flow diagrams:

A logical data flow diagram shows how the business operates.

Transaction files:

Describe each of the four data items that can be symbolized on a data flow diagram?

Each external entity is labeled with a noun.

What is the middle of the process symbol used for?

Processes in a rectangle with rounded corners sometimes denote something other than a change in or transformation of data or a system/subsystem.

When a process has all input or all output data flow, it means that an arrowhead is pointing in the wrong direction or there is a missing data flow.

Ajax may be used to obtain data for a Web form without changing Web pages.

A use case summarizes an event and defines one activity.

Each time an external company or system is involved:

Which is the biggest advantage of the data flow approach over narrative explanations?

Base elements are elements that need to be keyed into the system.

Why is partitioning useful when designing a Web site?

A use case summarizes an event and defines one activity, its trigger, input and output.

A primitive process is:

The advantage of building data flow diagrams based on events is that:

Systems, Roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling and Prototyping

Analyzing Systems Using Data Dictionaries

Process Specifications and Structured Decisions

Object-Oriented Systems Analysis and Design Using Uml

Designing Effective Output

Designing Effective Input

Designing Databases

Human-Computer Interaction

Designing Accurate Data Entry

Quality Assurance and Implementation

Filters

Exam 7: Using Data Flow Diagrams

A use case:

In logical data flow diagrams, the type of physical storage is unspecified.

An arrow is used to depict an external entity that can give and receive data from the system.

Physical data flow diagrams:

A logical data flow diagram shows how the business operates.

Transaction files:

Describe each of the four data items that can be symbolized on a data flow diagram?

Each external entity is labeled with a noun.

What is the middle of the process symbol used for?

Processes in a rectangle with rounded corners sometimes denote something other than a change in or transformation of data or a system/subsystem.

When a process has all input or all output data flow, it means that an arrowhead is pointing in the wrong direction or there is a missing data flow.

Ajax may be used to obtain data for a Web form without changing Web pages.

A use case summarizes an event and defines one activity.

Each time an external company or system is involved:

Which is the biggest advantage of the data flow approach over narrative explanations?

Base elements are elements that need to be keyed into the system.

Why is partitioning useful when designing a Web site?

A use case summarizes an event and defines one activity, its trigger, input and output.

A primitive process is:

The advantage of building data flow diagrams based on events is that:

Systems, Roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling and Prototyping

Analyzing Systems Using Data Dictionaries

Process Specifications and Structured Decisions

Object-Oriented Systems Analysis and Design Using Uml

Designing Effective Output

Designing Effective Input

Designing Databases

Human-Computer Interaction

Designing Accurate Data Entry

Quality Assurance and Implementation

Filters