Question 1

Fortunately for novice analysts,there are fairly straight-forward rules and guidelines for creating ERD's.

Accepted Answer

A) True 
 B)False

Question 2

Metadata is data about data.

Accepted Answer

A) True 
 B)False

Question 3

Balance occurs between DFDs and ERDs when the data stores _____

Accepted Answer

A) Are uniquely named 
B) Have only one input and one output flow 
C) Are named the same as the relationships on the ERD 
D) Can be compared to ERD data flows and attributes on the ERD are included in data stores on the DFD 
E) Can be equated to entities on the ERD and when entities are referred to by data stores on the DFD 
A) Are uniquely named 
B) Have only one input and one output flow 
C) Are named the same as the relationships on the ERD 
D) Can be compared to ERD data flows and attributes on the ERD are included in data stores on the DFD 
E) Can be equated to entities on the ERD and when entities are referred to by data stores on the DFD

Question 4

A(n)_____ entity cannot exist without the presence of another entity and is normally on the "many" end of a relationship or has an identifier that is based on another entity's attribute.

Accepted Answer

A) independent 
B) incomplete 
C) dependent 
D) variable 
E) non-complying 
A) independent 
B) incomplete 
C) dependent 
D) variable 
E) non-complying

Question 5

The basic building block of a data model is the:

Accepted Answer

A) Entity 
B) Relationship 
C) Attribute 
D) Cardinality 
E) Modality 
A) Entity 
B) Relationship 
C) Attribute 
D) Cardinality 
E) Modality

Question 6

Omar has a model with 85 entities.He can:

Accepted Answer

A) Compress these into at most seven entity grouping units 
B) Group these into related subject areas 
C) Stop - he has all entities defined 
D) Sort the entities alphabetically 
E) Co-validate the entities with the level 2 DFD diagrams 
A) Compress these into at most seven entity grouping units 
B) Group these into related subject areas 
C) Stop - he has all entities defined 
D) Sort the entities alphabetically 
E) Co-validate the entities with the level 2 DFD diagrams

Question 7

Ting-You is creating an ERD diagram.She knows that it is a(n)_____________

Accepted Answer

A) Well defined process 
B) Sequential process 
C) Process defined by five steps 
D) Iterative process 
E) User defined process 
A) Well defined process 
B) Sequential process 
C) Process defined by five steps 
D) Iterative process 
E) User defined process

Question 8

In the IDEF1X ERD notation,an entity is drawn as:

Accepted Answer

A) A diamond with the entity name in the middle 
B) A circle with the upper part of the circle with the entity name 
C) A rectangle with the identifier written above (outside)the rectangle 
D) A rectangle with the identifier written in a darker color inside at the top of the rectangle 
E) A rectangle with the identifier written at the top of the rectangle with an asterisk 
A) A diamond with the entity name in the middle 
B) A circle with the upper part of the circle with the entity name 
C) A rectangle with the identifier written above (outside)the rectangle 
D) A rectangle with the identifier written in a darker color inside at the top of the rectangle 
E) A rectangle with the identifier written at the top of the rectangle with an asterisk

Question 9

The three steps in creating an ERD are: (1)identify the entities;(2)identify the processes;(3)identify the relationships

Accepted Answer

A) True 
 B)False

Question 10

What are the three primary components of an ERD diagram?

Accepted Answer

Entity,att

Question 11

During the analysis phase,analysts create programming models to represent how the business system will operate.

Accepted Answer

A) True 
 B)False

Question 12

An analyst can read an ERD to:

Accepted Answer

A) Discover the individual pieces of information in a system and how they are organized and related to each other 
B) Find what processes use what data 
C) Determine the cardinality of processes in a system and if the modality of process is 1:M; 1:1; or M:N 
D) Evaluate data structure hierarchies as to processing anomalies in a business system 
E) Discover how the people, places and things in a business system are generated, moved, transformed and stored 
A) Discover the individual pieces of information in a system and how they are organized and related to each other 
B) Find what processes use what data 
C) Determine the cardinality of processes in a system and if the modality of process is 1:M; 1:1; or M:N 
D) Evaluate data structure hierarchies as to processing anomalies in a business system 
E) Discover how the people, places and things in a business system are generated, moved, transformed and stored

Question 13

Relationships are drawn with lines showing cardinality and plurality.

Accepted Answer

A) True 
 B)False

Question 14

Entity Relationship Diagrams show relationships between entities that are _____.

Accepted Answer

A) Outputs from JAD sessions 
B) Consistent with the ACM guidelines 
C) In line with the business rules and processing 
D) Defined by the project sponsor 
E) Extensions of the process models 
A) Outputs from JAD sessions 
B) Consistent with the ACM guidelines 
C) In line with the business rules and processing 
D) Defined by the project sponsor 
E) Extensions of the process models

Question 15

Relationships are associations between entities.

Accepted Answer

A) True 
 B)False

Question 16

ERD's and DFD's are two techniques for data modeling.

Accepted Answer

A) True 
 B)False

Question 17

Logical data models are most commonly drawn with the Data Flow Diagram technique.

Accepted Answer

A) True 
 B)False

Question 18

An entity is the basic building block for a data model.

Accepted Answer

A) True 
 B)False

Question 19

On an ERD _________________:

Accepted Answer

A) Processes are listed alphabetically with relationship connections drawn between processes 
B) Data elements are listed alphabetically with a cross listing to the processes that manipulate them 
C) Data elements are described as singular (1:1); plurals (1:N); or didactic (M:N) 
D) Data elements are grouped in a hierarchical structure that is uniquely identified by number 
E) Data elements are listed together and place inside boxes called entities. 
A) Processes are listed alphabetically with relationship connections drawn between processes 
B) Data elements are listed alphabetically with a cross listing to the processes that manipulate them 
C) Data elements are described as singular (1:1); plurals (1:N); or didactic (M:N) 
D) Data elements are grouped in a hierarchical structure that is uniquely identified by number 
E) Data elements are listed together and place inside boxes called entities.

Question 20

Project teams generally use either Gantt or PERT charts to draw data models.

Accepted Answer

A) True 
 B)False

Fortunately for novice analysts,there are fairly straight-forward rules and guidelines for creating ERD's.

Metadata is data about data.

Balance occurs between DFDs and ERDs when the data stores _____

A(n)_____ entity cannot exist without the presence of another entity and is normally on the "many" end of a relationship or has an identifier that is based on another entity's attribute.

The basic building block of a data model is the:

Omar has a model with 85 entities.He can:

Ting-You is creating an ERD diagram.She knows that it is a(n)_____________

In the IDEF1X ERD notation,an entity is drawn as:

The three steps in creating an ERD are: (1)identify the entities;(2)identify the processes;(3)identify the relationships

What are the three primary components of an ERD diagram?

During the analysis phase,analysts create programming models to represent how the business system will operate.

An analyst can read an ERD to:

Relationships are drawn with lines showing cardinality and plurality.

Entity Relationship Diagrams show relationships between entities that are _____.

Relationships are associations between entities.

ERD's and DFD's are two techniques for data modeling.

Logical data models are most commonly drawn with the Data Flow Diagram technique.

An entity is the basic building block for a data model.

On an ERD _________________:

Project teams generally use either Gantt or PERT charts to draw data models.

The Systems Analyst and Information Systems Development

Project Selection and Management

Requirements Determination

Systems Analysis and Design

Process Modeling

Moving Into Design

Architecture Design

Dennis/wixom/roth

Program Design

Data Storage Design

Moving Into Implementation

Transition to the New System

the Movement to Objects

Filters

Exam 6: Data Modeling

Fortunately for novice analysts,there are fairly straight-forward rules and guidelines for creating ERD's.

Metadata is data about data.

Balance occurs between DFDs and ERDs when the data stores _____

A(n)_____ entity cannot exist without the presence of another entity and is normally on the "many" end of a relationship or has an identifier that is based on another entity's attribute.

The basic building block of a data model is the:

Omar has a model with 85 entities.He can:

Ting-You is creating an ERD diagram.She knows that it is a(n)_____________

In the IDEF1X ERD notation,an entity is drawn as:

The three steps in creating an ERD are: (1)identify the entities;(2)identify the processes;(3)identify the relationships

What are the three primary components of an ERD diagram?

During the analysis phase,analysts create programming models to represent how the business system will operate.

An analyst can read an ERD to:

Relationships are drawn with lines showing cardinality and plurality.

Entity Relationship Diagrams show relationships between entities that are _____.

Relationships are associations between entities.

ERD's and DFD's are two techniques for data modeling.

Logical data models are most commonly drawn with the Data Flow Diagram technique.

An entity is the basic building block for a data model.

On an ERD _________________:

Project teams generally use either Gantt or PERT charts to draw data models.

The Systems Analyst and Information Systems Development

Project Selection and Management

Requirements Determination

Systems Analysis and Design

Process Modeling

Moving Into Design

Architecture Design

Dennis/wixom/roth

Program Design

Data Storage Design

Moving Into Implementation

Transition to the New System

the Movement to Objects

Filters