AWS DevOps Engineer Professional
942 incident response problems that help with AWS DevOps Engineer Professional prep.
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All problems (942)
CICD-1518A Helm release promotion succeeds and rollback failsRollback verification fails only after a chart repository object-versioning change.CI/CDAdvanced11 minProCICD-1461A reusable workflow keeps losing OIDC tokensA reusable deployment workflow works in its template repo and fails only when called from the protected production repo.CI/CDIntermediate11 minProCICD-1583A Terraform Cloud run succeeds and one follow-up plan still shows driftOnly speculative runs show false drift after variable set cleanup.CI/CDAdvanced11 minProCICD-1573A Terraform run succeeds and one speculative plan still shows driftOnly speculative plans report false drift after a workspace split.CI/CDAdvanced11 minProCICD-1593A Terraform task stage is updated and one run still blocksOne Terraform run still blocks after policy set reorganization.CI/CDAdvanced11 minProCICD-1553A Terraform workspace apply succeeds and one downstream job still reads stale outputsA dependent plan sees stale outputs only in one automation chain after a successful apply.CI/CDAdvanced11 minProCICD-1603A Terraform workspace migration is complete and one downstream plan still reads stale outputsOne downstream plan still shows stale outputs after workspace migration.CI/CDAdvanced11 minProCICD-1568A Vault AppRole secret rotates and one deploy still authenticates with the old roleOne deployment keeps authenticating with an old AppRole after rotation.CI/CDAdvanced11 minProCICD-1588A Vault policy change is correct and one deploy still failsOne deployment still fails Vault auth after a CIDR policy change.CI/CDAdvanced11 minProCICD-1505An OCI Helm promotion completes and provenance verification failsHelm OCI provenance checks fail only behind one edge cache after promotion succeeds.CI/CDAdvanced11 minProCICD-1482A BuildKit cache export completes and one registry mirror still cold-buildsA single mirror-backed runner pool starts rebuilding everything after a registry optimization rollout.CI/CDAdvanced12 minProCICD-1462A BuildKit cache export succeeds but one runner group still cold-buildsOnly the runner pool behind an older registry mirror starts rebuilding every layer after a registry change.CI/CDAdvanced12 minProCICD-1514A container signing step passes and verification fails laterVerification fails only for one architecture after enabling a mirrored registry tier.CI/CDAdvanced12 minProCICD-1383A Docker build fails only on one shared runnerA build works on ephemeral runners and later fails on one long-lived executor with unexplained registry auth errors.CI/CDIntermediate12 minProCICD-1465A Flux image promotion commit is signed and still rejectedAutomated image updates start failing after a bot key rotation even though Git history shows the commits being created.CI/CDAdvanced12 minProCICD-1474A Flux reconciliation looks healthy and promotion still freezesPromotion freezes after an OCI registry migration even though the new registry responds correctly.CI/CDAdvanced12 minProCICD-1441A GitHub Actions deploy signs in to AWS and still failsA GitHub Actions deploy signs in to AWS and still fails focuses on Identity And Access and asks the reader to isolate the key signal in GitHub. OIDC failures around reusable workflows often come from environment-bound audience drift rather than...CI/CDIntermediate12 minProCICD-1421A GitHub Actions OIDC deploy works in one repo and fails in anotherA GitHub Actions OIDC deploy works in one repo and fails in another focuses on Identity And Access and asks the reader to isolate the key signal in GitHub. Reusable workflows can drift on requested audience values...CI/CDIntermediate12 minProCICD-1381A GitHub Actions OIDC deployment suddenly loses cloud authA deployment pipeline is reorganized by environment naming and later cloud auth breaks only for one promoted workflow.CI/CDIntermediate12 minProCICD-1551A GitHub deployment is approved and one environment still rejects the runProduction deploys fail only in one protected environment after renaming the workflow repository.CI/CDAdvanced12 minPro