1. What does UML stand for?

2. Which UML diagram represents system structure?

3. Which UML diagram represents object interactions?

4. What is the primary UML diagram for use cases?

5. Which diagram shows object states over time?

6. Which UML diagram is used to model activities?

7. Which diagram represents the internal structure of a class?

8. What type of UML diagram shows object collaborations?

9. What UML element represents an entity with attributes and behaviors?

10. Which UML diagram is used for system deployment?

11. Which symbol represents inheritance in UML?

12. What UML diagram shows the sequence of messages?

13. Which UML diagram models business processes?

14. What UML element represents a blueprint for creating objects?

15. What UML concept represents a real-world entity?

16. Which UML diagram shows the transition between states?

17. What UML diagram represents system interactions?

18. Which UML diagram shows software component organization?

19. What type of UML diagram models database structures?

20. Which UML diagram represents user interactions with the system?