How does abstraction help in OOP?

By focusing on high-level design

By providing extensive implementation details

What does Product Owner do?

Manage itself, create "Done" increments

What does Scrum Master do?

Manage itself, create "Done" increments

What does Development Team do?

Manage itself, create "Done" increments

What does a use case diagram primarily represent?

Functional requirements of a system

In a use case diagram, an "include" relationship is used when:

A use case has behavior that is reusable and should be included in multiple other use cases.

A use case is optional and may not always occur.

One use case extends the behavior of another in special conditions.

There is no interaction or dependency between two use cases.

Which of the following best describes an "extend" relationship?

It adds optional behavior to a base use case

It is used to generalize actors

It is identical to an "include" relationship

It combines two or more use cases

Who or what can be an actor in a use case diagram?

Any external entity interacting with the system

Only individuals within the system

Which of the following is true about actors in a use case?

They have specific roles or responsibilities

They must always be human users

They represent only internal components

They do not interact with use cases

What is a "subject" in use case modeling?

A central component to which use cases apply

A component within the system boundary

In a use case diagram, a "generalization" relationship is used when:

Multiple use cases share common behavior but have unique specialized behaviors.

One use case needs to conditionally invoke another use case.

A use case is required by multiple other use cases to avoid redundancy.

Two use cases need to execute in parallel.

What does the system boundary in a use case diagram indicate?

The separation of actors and use cases

What is the primary purpose of an activity diagram in UML?

Describe the structure of the system

What is the purpose of a swimlane in an activity diagram?

To indicate conditional branches

Which of the following is NOT a feature of activity diagrams?

Identifying the structure of a system

What does a synchronization bar represent in an activity diagram?

The coordination of parallel activities

How do the actions labeled "Action 1" (1 and 2) in the diagram interact with the synchronization bar?

Both actions must complete before the process can proceed along the path labeled "3."

Either one of the actions can complete to proceed along the path labeled "3."

The actions proceed independently without requiring synchronization.

The synchronization bar represents a decision point where only one action will be executed.

What condition must be met for "Action 3" to start?

Only one of the "Action 1" tasks (1 or 2) needs to complete.

Both "Action 1" tasks (1 and 2) must complete before "Action 3" can begin.

"Action 3" will run independently of "Action 1" tasks.

"Action 3" can start before the completion of either "Action 1" tasks.

What differentiates an activity diagram from a flowchart?

It allows for parallel behaviors

It doesn’t allow conditional branches

When should activity diagrams be avoided?

When representing object collaborations

When modeling high-level workflows

For systems with multiple processes

When identifying actions within use cases

OOAD Midterm Review - 24.25

Authored by Quốc Khánh Trương

Computers

University

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes OOP?

A programming style that focuses on functions

A paradigm focused on object interactions

A low-level coding approach

A sequential style of programming

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is encapsulation in OOP?

Inheriting properties

Binding data and methods

Extending a class

Reusing code

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does inheritance in OOP allow for?

Defining multiple classes

Reusing properties and behaviors from a parent class

Combining unrelated classes

Using private data across classes

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about polymorphism?

Allows objects to change class at runtime

Permits the same interface for different data types

Prevents code duplication

Ensures encapsulation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an object in OOP?

A blueprint of a class

A specific instance of a class

A function with specific attributes

A stand-alone code snippet

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which OOP concept involves hiding internal details of an object?

Inheritance

Abstraction

Encapsulation

Polymorphism

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term "class" refer to in OOP?

A specific instance of an object

The attributes of an object

A blueprint for creating objects

The function of an object

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OOAD Midterm Review - 24.25

Which of the following best describes OOP?

What is encapsulation in OOP?

What does inheritance in OOP allow for?

Which of the following is true about polymorphism?

What is an object in OOP?

Which OOP concept involves hiding internal details of an object?

What does the term "class" refer to in OOP?

How does abstraction help in OOP?

In which programming style do you specify how a task is accomplished by detailing a sequence of commands and instructions?

Which programming style focuses on describing what the outcome should be without specifying the steps to achieve it?

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