Question 1

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 2

A rectangle with rounded corners is used to show the occurrence of a transforming process.

Accepted Answer

A) True 
 B)False

Question 3

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 4

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

Accepted Answer

A) True 
 B)False

Question 5

Which is not one of the four basic symbols used to chart data movement on data flow diagrams?

Accepted Answer

A) an oval 
B) arrow 
C) rectangle with rounded corners 
D) open-ended rectangle 
A) an oval 
B) arrow 
C) rectangle with rounded corners 
D) open-ended rectangle

Question 6

Which of these are reasons for partitioning a system?

Accepted Answer

A) to keep transactions secure 
B) to make it easier to move to a new system 
C) to allow the system to be upgraded later 
D) to ensure that if the business is sold,the data can be given to the new owners 
A) to keep transactions secure 
B) to make it easier to move to a new system 
C) to allow the system to be upgraded later 
D) to ensure that if the business is sold,the data can be given to the new owners

Question 7

A logical data flow diagram shows how the business operates.

Accepted Answer

A) True 
 B)False

Question 8

Partitioning on a data flow diagram for an ecommerce Web site may be used to show:

Accepted Answer

A) external events. 
B) triggers. 
C) security. 
D) derived elements. 
A) external events. 
B) triggers. 
C) security. 
D) derived elements.

Question 9

Having separate Web forms means that the forms will become more complex.

Accepted Answer

A) True 
 B)False

Question 10

What are the four basic symbols used in data flow diagrams.

Accepted Answer

A double square is used to depict an ext

Question 11

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.

Question 12

Partitioning data flow diagrams is the process of deciding which processes are manual procedures and which processes should be grouped into which computer programs.

Accepted Answer

A) True 
 B)False

Question 13

Ajax is used to:

Accepted Answer

A) partition Web sites into different Web forms. 
B) obtain data from a Web server and update the current Web form. 
C) confirm credit card accounts using a secure transaction. 
D) transmit data to an external partner using XML documents. 
A) partition Web sites into different Web forms. 
B) obtain data from a Web server and update the current Web form. 
C) confirm credit card accounts using a secure transaction. 
D) transmit data to an external partner using XML documents.

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

A physical data flow diagram shows how the system will be constructed.

Accepted Answer

A) True 
 B)False

Question 16

Unbalanced decomposition means that the data flow to or from a parent process does not match the data flow in or out of a child diagram.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is not an error when drawing a data flow diagram?

Accepted Answer

A) all data flowing into a process or out of a process 
B) data flow on a child diagram that has only one end connected to a process,the other end is a point in space 
C) connecting data stores and external entities directly to each other 
D) placing more than nine processes on a data flow diagram 
A) all data flowing into a process or out of a process 
B) data flow on a child diagram that has only one end connected to a process,the other end is a point in space 
C) connecting data stores and external entities directly to each other 
D) placing more than nine processes on a data flow diagram

Question 18

What is the difference between a logical and physical data flow diagram?

Accepted Answer

A logical data flow diagram fo

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not an advantage of using a logical model?

Accepted Answer

A) A system based on a logical model is more stable. 
B) The logical model helps the analyst understand the business being studied. 
C) It facilitates communication with the users. 
D) A logical model clarifies which processes are automated. 
A) A system based on a logical model is more stable. 
B) The logical model helps the analyst understand the business being studied. 
C) It facilitates communication with the users. 
D) A logical model clarifies which processes are automated.

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

A rectangle with rounded corners is used to show the occurrence of a transforming process.

Physical data flow diagrams:

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

Which is not one of the four basic symbols used to chart data movement on data flow diagrams?

Which of these are reasons for partitioning a system?

A logical data flow diagram shows how the business operates.

Partitioning on a data flow diagram for an ecommerce Web site may be used to show:

Having separate Web forms means that the forms will become more complex.

What are the four basic symbols used in data flow diagrams.

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

Partitioning data flow diagrams is the process of deciding which processes are manual procedures and which processes should be grouped into which computer programs.

Ajax is used to:

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

A physical data flow diagram shows how the system will be constructed.

Unbalanced decomposition means that the data flow to or from a parent process does not match the data flow in or out of a child diagram.

Which of the following is not an error when drawing a data flow diagram?

What is the difference between a logical and physical data flow diagram?

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

Which of the following is not an advantage of using a logical model?

Systems, roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling, prototyping, and Scrum

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 and Ux Design

Designing Accurate Data Entry Procedures

Quality Assurance and Implementation

Filters

Exam 7: Using Data Flow Diagrams

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

A rectangle with rounded corners is used to show the occurrence of a transforming process.

Physical data flow diagrams:

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

Which is not one of the four basic symbols used to chart data movement on data flow diagrams?

Which of these are reasons for partitioning a system?

A logical data flow diagram shows how the business operates.

Partitioning on a data flow diagram for an ecommerce Web site may be used to show:

Having separate Web forms means that the forms will become more complex.

What are the four basic symbols used in data flow diagrams.

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

Partitioning data flow diagrams is the process of deciding which processes are manual procedures and which processes should be grouped into which computer programs.

Ajax is used to:

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

A physical data flow diagram shows how the system will be constructed.

Unbalanced decomposition means that the data flow to or from a parent process does not match the data flow in or out of a child diagram.

Which of the following is not an error when drawing a data flow diagram?

What is the difference between a logical and physical data flow diagram?

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

Which of the following is not an advantage of using a logical model?

Systems, roles, and Development Methodologies

Understanding and Modeling Organizational Systems

Project Management

Information Gathering: Interactive Methods

Information Gathering: Unobtrusive Methods

Agile Modeling, prototyping, and Scrum

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 and Ux Design

Designing Accurate Data Entry Procedures

Quality Assurance and Implementation

Filters