Software Engineering MCQs

1. What is a use case in UML?

a) A diagram showing class relationships b) A specific interaction between an actor and the system c) A sequence of messages between objects d) A system deployment structure

2. Which element represents an external entity interacting with a system?

a) Class b) Actor c) Component d) Node

3. What shape represents a use case in a UML diagram?

a) Rectangle b) Oval c) Diamond d) Hexagon

4. What is the purpose of a use case diagram?

a) Show system components and interactions b) Model system behavior from a user's perspective c) Define object attributes and methods d) Map system deployment

5. Which relationship shows optional behavior in a use case?

a) Extend b) Include c) Generalization d) Association

6. What does the "include" relationship indicate in a use case diagram?

a) A use case that is always executed b) A use case that may or may not execute c) A hierarchical relationship between actors d) A use case triggered by an external system

7. Which element connects an actor to a use case?

a) Dependency b) Association c) Inheritance d) Realization

8. What is a primary actor in a use case?

a) An actor that starts the interaction with the system b) An actor that assists another actor c) An actor outside the system boundary d) A system component

9. What is the system boundary in a use case diagram?

a) A line separating actors from the system b) A box containing use cases c) The interface between two systems d) The relationship between use cases

10. What tool is commonly used to draw use case diagrams?

a) Visual Studio b) Microsoft Word c) Lucidchart d) GitHub

Software Engineering MCQs

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