30 MCQs on Object-Oriented Analysis, Design and Programming with UML

Q1. Which relationship in UML indicates that one class is a part of another class, and may only belong to one instance of the containing class at a time?

Association

Aggregation

Inheritance

Composition

Q2. Which UML diagram is used to represent the interactions between objects in a system with a focus on the object flow between them?

Activity diagram

Sequence diagram

Use case diagram

Class diagram

Q3. Which UML diagram is used to represent the interactions between the actors and the system in terms of scenarios?

Use case diagram

Class diagram

State diagram

Sequence diagram

Q4. Which UML diagram is used to represent the interactions between the actors and the system in terms of scenarios, but with a focus on the lifeline of the objects involved?

Collaboration diagram

Use case diagram

Class diagram

Sequence diagram

Q5. Which UML diagram is used to represent the interactions between objects in a system with a focus on the conditions and decision points in the process?

Sequence diagram

Activity diagram

Use case diagram

Class diagram

Q6. Which diagram in UML represents the behavior of a single object in terms of the states it goes through in response to events?

State diagram

Use case diagram

Sequence diagram

Class diagram

Q7. Which UML diagram is used to represent the interactions between objects in a system?

State diagram

Sequence diagram

Use case diagram

Class diagram

Q8. Which relationship in UML indicates that one class has a reference to another class, but the two classes can exist independently?

Inheritance

Composition

Association

Aggregation

Q9. Which UML diagram is used to represent the relationship between the actors and the system in terms of the use cases?

Sequence diagram

Class diagram

State diagram

Use case diagram

Q10. Which UML diagram is used to represent the interactions between objects in a system with a focus on the order in which messages are sent and received?

Use case diagram

Sequence diagram

State diagram

Class diagram

Q11. Which relationship in UML indicates that one class has a reference to another class, but the two classes can exist independently and have no ownership relationship?

Inheritance

Composition

Association

Aggregation

Q12. Which relationship in UML indicates that one class contains instances of another class?

Aggregation

Association

Composition

Inheritance

Q13. Which diagram in UML represents the interactions between the actors and the system in terms of use cases?

Use case diagram

Class diagram

Sequence diagram

State diagram

Q14. Which UML diagram is used to represent the interactions between the actors and the system in terms of the functional requirements of the system?

Sequence diagram

State diagram

Use case diagram

Class diagram

Q15. Which UML diagram is used to represent the inheritance relationships between the classes in a system?

Class diagram

Use case diagram

Sequence diagram

State diagram

Q16. Which relationship in UML indicates that one class is a specialized version of another class?

Aggregation

Association

Inheritance

Composition

Q17. What is the primary purpose of UML in Object-Oriented Analysis and Design?

To generate code automatically

To facilitate communication between developers and stakeholders

To replace traditional software development methodologies

None of the above

Q18. Which UML diagram is used to represent the flow of control between the objects in a system?

Sequence diagram

Use case diagram

Class diagram

State diagram

Q19. Which UML diagram is used to represent the interactions between the objects in a system in terms of messages?

Use case diagram

Sequence diagram

State diagram

Class diagram

Q20. Which relationship in UML indicates that one class is part of another class, and cannot exist without it?

Composition

Association

Inheritance

Aggregation

Q21. Which diagram in UML represents the behavior of a single use case in terms of the interactions between the actors and the system?

Use case diagram

Sequence diagram

State diagram

Class diagram

Q22. Which diagram in UML represents the structure of a system in terms of classes and their relationships?

Use case diagram

State diagram

Sequence diagram

Class diagram

Q23. Which UML diagram is used to represent the dynamic behavior of a system in terms of the changes to the states of its objects?

Class diagram

Sequence diagram

State diagram

Use case diagram

Q24. What does UML stand for in Object-Oriented Analysis and Design?

Unique Modeling Language

Unified Modeling Language

Unfied Management Language

Universal Modeling Language

Q25. Which relationship in UML indicates that one class uses the services of another class?

Association

Aggregation

Inheritance

Composition

Q26. Which UML diagram is used to represent the relationships between the classes in terms of their dependencies?

Class diagram

State diagram

Sequence diagram

Use case diagram

Q27. Which UML diagram is used to represent the structure of a system in terms of the classes and their relationships?

Sequence diagram

State diagram

Use case diagram

Class diagram

Q28. Which relationship in UML indicates that one class is a specialization of another class, and inherits all of its properties and methods?

Composition

Inheritance

Aggregation

Association

Q29. Which diagram in UML represents the relationships between the classes in terms of their dependencies and associations?

Class diagram

Sequence diagram

Use case diagram

State diagram

Q30. Which UML diagram is used to represent the structural organization of objects and their interactions in a system?

State diagram

Class diagram

Use case diagram

Object diagram

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