1. What is the difference between verification and validation?
2. Explain the Software Testing Life Cycle (STLC).
3. What are the different levels of testing?
4. What’s the difference between severity and priority?
5. Explain positive and negative testing with examples.
6. What are the different types of testing you’ve performed?
7. How do you decide when to stop testing?
8. How do you write a good test case?
9. What is the difference between test case and test scenario?
10. What do you do if requirements are not clear?
11. What is a defect life cycle?
12. How do you handle a situation when the developer rejects your bug?
13. What fields do you fill while logging a defect?
14. What’s the difference between retesting and regression testing?
15. Explain a critical bug you found in your current/previous project.
16. How do you ensure complete test coverage?
17. How do you manage test data for different environments?
18. Have you ever missed a bug in production? What did you learn?
19. How do you estimate testing efforts for a module?
20. What is your experience working in Agile?
21. What is a user story and how do you write test cases for it?
22. How do you participate in sprint planning or retrospectives?
23. What is the role of QA in a daily stand-up?
24. What is the difference between a bug and an improvement?
25. What test management tools have you used (like JIRA, TestRail)?
26. How do you perform test case review?
27. What’s your experience with API testing or database validation?
28. How do you handle requirement changes in the middle of testing?
29. What is exploratory testing and when do you perform it?
30. How do you report testing progress to your team or manager?
