Chapter 4 SA

Question 1

What is domain modeling?

Answer 1

Domain modeling is the process of creating a conceptual model of the subject area, or domain, that a system is designed to address.

Question 2

True or False: Domain modeling focuses only on technical aspects of a system.

Answer 2

False

Question 3

What is the primary purpose of a domain model?

Answer 3

The primary purpose of a domain model is to provide a clear and shared understanding of the domain among stakeholders.

Question 4

Fill in the blank: A domain model typically includes ______, ______, and ______.

Answer 4

entities, relationships, attributes

Question 5

What is an entity in domain modeling?

Answer 5

An entity is a distinct object or concept within the domain that has a unique identity.

Question 6

Which diagram is commonly used to represent domain models?

Answer 6

Class diagrams

Question 7

True or False: Relationships in a domain model can only be one-to-one.

Answer 7

False

Question 8

What does a one-to-many relationship signify in a domain model?

Answer 8

It signifies that one entity can be associated with multiple instances of another entity.

Question 9

What is an attribute in the context of domain modeling?

Answer 9

An attribute is a property or characteristic of an entity.

Question 10

Define ‘association’ in domain modeling.

Answer 10

Association is a relationship between two or more entities in a domain model.

Question 11

True or False: Domain models are static and do not change over time.

Answer 11

False

Question 12

What is the difference between a domain model and a data model?

Answer 12

A domain model focuses on the conceptual aspects of the domain, while a data model focuses on the structure of data in a database.

Question 13

What is a value object in domain modeling?

Answer 13

A value object is an object that represents a descriptive aspect of the domain and has no unique identity.

Question 14

What is the role of a domain expert in domain modeling?

Answer 14

A domain expert provides knowledge and insights about the domain to ensure the model accurately reflects real-world scenarios.

Question 15

Fill in the blank: In domain modeling, ______ are used to define the rules and constraints of entities.

Answer 15

business rules

Question 16

What does ‘aggregation’ mean in domain modeling?

Answer 16

Aggregation is a special type of association that represents a whole-part relationship.

Question 17

True or False: Domain models are only useful during the analysis phase of system development.

Answer 17

False

Question 18

What is the benefit of using a domain model in stakeholder communication?

Answer 18

It provides a visual representation that helps stakeholders understand complex relationships and concepts.

Question 19

Multiple Choice: What is NOT typically included in a domain model? A) Entities B) Relationships C) Implementation details D) Attributes

Answer 19

C) Implementation details

Question 20

What is a ‘context diagram’ in relation to domain modeling?

Answer 20

A context diagram is a high-level representation that shows the system and its interactions with external entities.

Question 21

Fill in the blank: A ______ is a specific instance of an entity in domain modeling.

Answer 21

entity instance

Question 22

What is a ‘boundary’ in domain modeling?

Answer 22

A boundary defines the scope of the system and distinguishes between the system and its environment.

Question 23

True or False: Domain modeling can help identify missing requirements.

Answer 23

True

Question 24

What is the purpose of using UML in domain modeling?

Answer 24

UML (Unified Modeling Language) provides a standardized way to visualize and document domain models.

Question 25

What does 'inheritance' refer to in domain modeling?

Answer 25

Inheritance refers to a mechanism where one entity can inherit attributes and relationships from another entity.

Question 26

Fill in the blank: In domain modeling, a ______ is used to represent an action or a process.

Answer 26

use case

Question 27

What is a 'composite entity' in domain modeling?

Answer 27

A composite entity is an entity that is made up of two or more other entities.

Question 28

True or False: Domain models can be used to validate system requirements.

Answer 28

True

Question 29

What is a 'domain event'?

Answer 29

A domain event is an occurrence that signifies a change in the state of the domain.

Question 30

Multiple Choice: Which of the following is a key component of a domain model? A) Users B) Use Cases C) Class Diagrams D) All of the above

Answer 30

D) All of the above

Question 31

What is a 'relationship cardinality'?

Answer 31

Relationship cardinality defines the number of instances of one entity that can be associated with instances of another entity.

Question 32

Fill in the blank: Domain models help in understanding ______ among different entities.

Answer 32

interactions

Question 33

What is the significance of 'normalization' in domain modeling?

Answer 33

Normalization helps eliminate redundancy and ensures data integrity within the model.

Question 34

True or False: Domain models should remain unchanged after the initial development phase.

Answer 34

False

Question 35

What is a 'subclass' in domain modeling?

Answer 35

A subclass is a specialized version of a superclass that inherits attributes and relationships from it.

Question 36

What does 'polymorphism' mean in the context of domain modeling?

Answer 36

Polymorphism allows entities to be treated as instances of their parent class, enabling flexibility in the model.

Question 37

Fill in the blank: A ______ is a high-level summary of the key elements of a domain model.

Answer 37

domain overview

Question 38

What is the role of 'feedback loops' in domain modeling?

Answer 38

Feedback loops allow for iterative refinement of the domain model based on stakeholder input and system changes.

Question 39

True or False: Domain modeling is only relevant for software development.

Answer 39

False

Question 40

What is a 'system boundary'?

Answer 40

A system boundary defines the limits of the system and what is considered part of the system versus the external environment.