AWS DevOps Engineer Professional
942 incident response problems that help with AWS DevOps Engineer Professional prep.
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All problems (942)
CICD-1895A workflow secret is current and one step still stopsOne step still stops after the secret refresh.CI/CDBeginner7 minFreeCICD-1905A workflow secret is current and one step still stopsOne step still stops after the secret refresh.CI/CDBeginner7 minFreeCICD-1935A workflow secret is current and one step still stopsOne step still stops after the secret refresh.CI/CDBeginner7 minFreeCICD-1945A workflow secret is current and one step still stopsOne step still stops after the secret refresh.CI/CDBeginner7 minFreeCICD-1955A workflow secret is current and one step still stopsOne step still stops after the secret refresh.CI/CDBeginner7 minFreeCICD-1705A workflow secret is present and one job still stopsOne job still stops after a workflow secret was added.CI/CDBeginner7 minFreeCICD-1754A workflow secret is present and one step still errorsOne step still errors after the workflow secret was confirmed.CI/CDBeginner7 minFreeCICD-1735A workflow secret is present and one step still stopsOne step still stops after a workflow variable cleanup.CI/CDBeginner7 minFreeCICD-1725A workflow secret is valid and one job still stopsOne job still stops after a secret cleanup.CI/CDBeginner7 minFreeCICD-1745A workflow secret is valid and one step still stopsOne step still stops after a workflow variable cleanup.CI/CDBeginner7 minFreeCICD-1775A workflow secret is valid and one step still stopsOne step still stops after a secret cleanup.CI/CDBeginner7 minFreeCICD-1765A workflow variable is correct and one step still breaksOne step still breaks after a workflow variable cleanup.CI/CDBeginner7 minFreeCICD-1715A workflow variable is present and one step still stopsOne step still stops after a workflow variable cleanup.CI/CDBeginner7 minFreeCICD-1624An artifact is published and one download still returns 404One artifact download still returns 404 after a package folder rename.CI/CDBeginner7 minFreeCICD-002Recovering a container deployment where the latest tag blocks rollbackCovers how to redesign a safe rollback structure in a pipeline that has no image versioning strategy.ReviewedCI/CDAdvanced25 minProCICD-031GITHUB_TOKEN read-only default blocks release provenance uploadThe workflow can build and test successfully, but the release job fails when it tries to publish attestations or update release metadata with a narrower token scope.ReviewedCI/CDIntermediate21 minProCICD-016Missing feature-flag verification exposes inactive code directly in productionMissing feature-flag verification exposes inactive code directly in production is a hands-on troubleshooting drill. Tracks a feature-flag operations gap that was in the release plan but missing from the actual verification flow. GitHub Actions Workflows needs to be checked by...CI/CDAdvanced23 minProCICD-015During parallel deploys, the staging cache bleeds into production tooDuring parallel deploys, the staging cache bleeds into production too is a hands-on troubleshooting drill. Covers an incident where a shared cache key with no environment separation lets staging results affect production. GitHub GitHub Actions Workflows needs to be checked by...CI/CDIntermediate20 minProCICD-012Tests pass but the migration order is wrong, causing an incident right after deployTests pass but the migration order is wrong, causing an incident right is a hands-on troubleshooting drill. Covers an incident caused by the application deploy and database schema change happening in the wrong order. GitHub GitHub Actions Workflows needs to be checked by narro...CI/CDIntermediate24 minProCICD-013Cache hits in a multi-stage Docker build but a vulnerable layer remainsCache hits in a multi-stage Docker build but a vulnerable layer remains is a hands-on troubleshooting drill. A situation where an old base layer remains during build-speed optimization, causing a security patch to be missed. GitHub Actions Workflows needs to be checked by narr...CI/CDAdvanced26 minPro