📘 FINAL EXAMINATION

🧠 Exam Instructions

This examination evaluates your practical thinking, system analysis skills, and cybersecurity understanding.

✔ Answer using logical technical reasoning.
✔ Explain system behavior clearly.
✔ Human grading remains the final authority.

A banking application experiences duplicated transactions, delayed balances, and inconsistent transfers.

1. Explain the complete system flow of a digital bank transaction.

2. Identify at least 3 possible system failure points.

3. Explain what happens if the database fails after transfer approval.

4. Suggest methods to prevent transaction duplication.

Users sometimes access other users’ dashboards after login.

5. Explain how a secure login system should normally work.

6. Identify possible causes of incorrect account access.

7. Which system component is most likely failing? Explain.

8. What organizational risks are created?

Students report incorrect marks and missing data from a school system API.

9. Explain the role of APIs in modern systems.

10. Identify causes of incorrect data responses.

11. Explain frontend, backend, and database failure possibilities.

12. Suggest testing procedures for detecting the issue.

Users report corrupted uploads and disappearing files.

13. Explain the full file upload process.

14. Identify possible causes of upload failures.

15. Explain the importance of storage systems.

16. Suggest safe testing procedures.

A social media platform becomes extremely slow during heavy traffic.

17. Explain what happens when thousands of users access a system simultaneously.

18. Identify possible bottlenecks.

19. Explain load balancing and its importance.

20. Suggest practical performance improvements.