Class diagram and object diagram MCQs | UML

By: Prof. Dr. Fazal Rehman | Last updated: May 2, 2025

1. Select the diagram that is used to model the vocabulary of a system.
(A) Object Diagram
(B) Activity Diagram
(C) Both A and B
(D) Class Diagram

2. Select which one models static data structures.
(A) Object Diagrams
(B) Class Diagrams
(C) Activity Diagrams
(D) Interaction Diagrams

3. Select the engineering approach that is theoretically feasible but programmatically restricted in value.
(A) Class Diagram
(B) Activity Diagram
(C) Object Diagram
(D) Interaction Diagram

4. Identify where class diagrams are not convenient.
(A) Simple interactions model
(B) The vocabulary of a system model
(C) Simple collaborations model
(D) Logical database schema model

5. Select the diagram used to show one static frame in a dynamic storyboard.
(A) Class Diagram
(B) Activity Diagram
(C) Object Diagram
(D) Interaction Diagram

6. Select the diagrams that are used to explain data structures and the static snapshot of elements placed in class diagrams.
(A) Use Case Diagram
(B) Collaboration Diagram
(C) Object Diagram
(D) Sequence Diagram

7. Select the view shown by an Object Diagram.
(A) Logical
(B) Dynamic
(C) Static
(D) Process

8. Select from the following what has to be reverse-engineered.
(A) Visibility
(B) Relationship
(C) Target
(D) Constraints

9. Which of the following diagrams is used to model the distribution of objects?
(A) Object Diagram
(B) Activity Diagram
(C) State Chart Diagram
(D) Interaction Diagram

10. Select from the following in which engineering and reverse engineering can be applicable.
(A) Tagged Values
(B) Stereotypes
(C) Class Diagram
(D) Adornments

11. Which one is used to display a set of objects and their relationships?
(A) Object Diagram
(B) Class Diagram
(C) Use Case Diagram
(D) Activity Diagram

12. Select the structure that is modeled by an Object Diagram.
(A) Object
(B) Class
(C) Use Case
(D) Activity