Object Oriented System Design with C++ Unit 2 – Structural and Behavioural Modeling: AKTU previous year questions
28 AKTU questions from Unit 2 (Structural and Behavioural Modeling) asked in 2021–2026, tagged by marks, year and topic. In short: about 30 marks of every paper come from this unit; the most asked topic is Structural Modeling (9 times); 24 questions came back in a later year. The latest ones are listed below; on the page you can filter them by 2-mark or long questions, topic and repeats.
Unit 2 previous year questions
- Define association and aggregation. (2 marks, 2026, Structural Modeling)
- Describe sequence diagrams in detail. Explain synchronous and asynchronous messages, call-back mechanisms, and broadcast messages. (7 marks, 2026, Sequence Diagrams)
- Explain activity diagrams and state machine diagrams with suitable illustrations. (7 marks, 2026, Behavioural Modeling)
- Describe architectural modeling. Explain component diagrams and deployment diagrams and their significance in system design. (7 marks, 2026, Architectural Modeling)
- Create a package diagram for a modular library management system. (2 marks, 2025, Behavioural Modeling)
- Explain how use case diagrams help in capturing system requirements. (2 marks, 2025, Behavioural Modeling)
- Draw an interaction diagram for a customer service chatbot system. Include time-based interactions and describe how they facilitate system understanding. (7 marks, 2025, Behavioural Modeling)
- Develop a UML class diagram for a hospital management system. Explain the rationale behind your design choices. (7 marks, 2025, Class Object Diagrams)
- Explain the concept of polymorphism in collaboration diagrams. Design a collaboration diagram for an online learning platform to show polymorphism in accessing different types of course materials. (7 marks, 2025, Collaboration Diagrams)
- Describe generalization (2 marks, 2024, Structural Modeling)
- What do you understand by architectural modeling ? Explain its various concepts and diagrams with suitable example (10 marks, 2024, Architectural Modeling)
- Explain class and object diagrams with examples. (10 marks, 2024, Class Object Diagrams)
Most asked Unit 2 topics
- Structural Modeling – asked 9 times
- Behavioural Modeling – asked 9 times
- Class Object Diagrams – asked 3 times
Unit 2 question pattern
- 2-mark questions: 10 asked in 2021–2026
- 7-mark questions: 6 asked in 2021–2026
- 10-mark questions: 12 asked in 2021–2026
- About 30 marks from Unit 2 in every paper
- 24 questions were asked again in a later year
Unit 2 questions year by year
- 2026: 4 Unit 2 questions asked (23 marks across that year's papers)
- 2025: 5 Unit 2 questions asked (25 marks across that year's papers)
- 2024: 4 Unit 2 questions asked (32 marks across that year's papers)
- 2023: 5 Unit 2 questions asked (34 marks across that year's papers)
- 2022: 5 Unit 2 questions asked (34 marks across that year's papers)
- 2021: 5 Unit 2 questions asked (34 marks across that year's papers)