Hard QA Engineer questions

32 questions · 20 points each for a correct first answer.

1. 1.Too many combinationstest-designhard
2. 2.Double charge bugapi-testing, edge-caseshard
3. 3.Coupon expires earlyedge-cases, test-designhard
4. 4.A test that fails one in ten runstest-automation, reliabilityhard
5. 5.Viewing another user's invoicesecurity-testinghard
6. 6.100% code coveragetest-strategy, metricshard
7. 7.Accessibility check that mattersaccessibility-testinghard
8. 8.Go or no-gotest-strategy, communicationhard
9. 9.Boundary values from codeboundary-value-analysis, white-box-testinghard
10. 10.Collapsing a decision tabledecision-tables, test-designhard
11. 11.Pairwise lower boundpairwise-testing, test-designhard
12. 12.Average vs p99 latencyperformance-testing, metricshard
13. 13.k6 thresholdsperformance-testing, k6hard
14. 14.Fixed users hide slowdownsperformance-testing, load-modellinghard
15. 15.Tests fail only in parallelflaky-tests, test-data-managementhard
16. 16.Strict mode violationplaywright, locatorshard
17. 17.Passed on retryflaky-tests, ci-cdhard
18. 18.Reusing an idempotency keyapi-testing, idempotencyhard
19. 19.Tampering with a JWTsecurity-testing, authenticationhard
20. 20.Mass assignment in profile updatesecurity-testing, api-testinghard
21. 21.XSS that survives HTML encodingsecurity-testinghard
22. 22.A time that does not existtest-scenarios, date-time-testinghard
23. 23.Arabic digits rejectedlocalisation-testing, test-scenarioshard
24. 24.Mutation scoremetrics, test-strategyhard
25. 25.DRE of one test phasemetricshard
26. 26.Contract green, production brokencontract-testing, test-strategyhard
27. 27.Noisy screenshot testsvisual-testing, flaky-testshard
28. 28.Focus lost after closing a dialogaccessibility-testing, wcaghard
29. 29.App killed in the backgroundmobile-testinghard
30. 30.Testing an eventually consistent APIapi-testing, flaky-testshard
31. 31.Migration check returns nothingsql, data-validationhard
32. 32.Testing five feature flagspairwise-testing, feature-flagshard