AWS DevOps Engineer Professional
942 incident response problems that help with AWS DevOps Engineer Professional prep.
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All problems (942)
CICD-1181GitHub Actions OIDC trust works on main but fails on pull_requestThe same AWS deploy workflow succeeds on main and fails on pull_request because the OIDC token subject no longer matches the IAM trust policy.CI/CDAdvanced28 minProCICD-037CloudFormation change set succeeds but rollback fails on nested stack driftThe proposed change set looks safe, yet rollback breaks because one nested stack already drifted away from the expected template state.CI/CDAdvanced29 minProCICD-1187Concurrency cancellation leaves a half-finished promotion state in the release pathCancel-in-progress helps reduce overlap, but one release run exits after mutating shared promotion state and before the next run can safely continue.CI/CDAdvanced29 minProCICD-060Terraform PR plan is green but main apply uses a different variable setReviewers trust the plan output, but production apply behaves differently because the PR stage reads one workspace and tfvars path while the main branch apply uses another.CI/CDAdvanced29 minProCICD-1184Buildx push succeeds but downstream deploy still uses an older digestA multi-platform image publish looks healthy, but the promotion logic keeps pointing the environment at an older digest.CI/CDAdvanced30 minProCICD-1584A Jenkins controller rotates its URL and one webhook still posts to the old pathOne Jenkins webhook keeps hitting the old path after controller URL rotation.CI/CDIntermediate8 minProCICD-1604A Jenkins controller URL is fixed and one webhook still posts to the old hostOne Jenkins webhook still posts to the old host after URL cleanup.CI/CDIntermediate8 minProCICD-1566A Jenkins plugin update succeeds and one branch never turns greenOne repo never turns green after Jenkins plugin and protection updates.CI/CDIntermediate8 minProCICD-1589A release freeze is lifted and one stage still blocksOne deployment stage remains frozen after schedule consolidation.CI/CDIntermediate8 minProCICD-1554A Jenkins controller rotates credentials and one agent still clones with the retired tokenOnly fresh Jenkins pod agents fail to clone after a credential rotation.CI/CDIntermediate9 minProCICD-1564An Argo CD sync hook runs and one app still reports stale healthOne Argo CD app stays unhealthy after a sync-hook secret rotation.CI/CDIntermediate9 minProCICD-1571A GitHub deploy is approved and one environment still blocksOne protected environment keeps using the wrong value after moving secrets to environments.CI/CDAdvanced10 minProCICD-1601A GitHub environment deploy still failsOne protected deploy still fails after a GitHub team rename.CI/CDAdvanced10 minProCICD-1565A GitLab autoscaled runner boots correctly and artifact upload still failsArtifact uploads fail only on runners launched from the new autoscaled image family.CI/CDAdvanced10 minProCICD-1597A Helm provenance job still fails through one proxyOne Helm provenance path still fails through a proxy after signer cleanup.CI/CDAdvanced10 minProCICD-1607A Helm provenance job validates at origin and still fails through one edgeOne edge path still fails Helm provenance after signer cleanup.CI/CDAdvanced10 minProCICD-1577A Helm repository index updates and one release still installs the previous chartOne cluster installs the old Helm chart after repository cleanup.CI/CDAdvanced10 minProCICD-1464A Jenkins agent cleans up fine on Ubuntu and fails on FedoraJenkins jobs on a new Fedora-based runner image start leaving locked workspaces after successful builds.CI/CDIntermediate10 minProCICD-1547A Jenkins agent finishes the build and uploads no archivesArtifact uploads fail only for Kubernetes agents after workspace folder refactoring.CI/CDIntermediate10 minProCICD-1517A Jenkins agent pod comes online and uploads no artifactsArtifact uploads break only on Kubernetes agents after a workspace folder cleanup.CI/CDIntermediate10 minPro