AWS DevOps Engineer Professional
942 incident response problems that help with AWS DevOps Engineer Professional prep.
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All problems (942)
CICD-022Canary deploy passes health checks but fails background jobsCanary deploy passes health checks but fails background jobs is a hands-on troubleshooting drill. The web process looks healthy while the worker image lags behind and starts processing incompatible payloads. GitHub Actions Workflows needs to be checked by narrowing scope, rece...CI/CDIntermediate24 minProCICD-1194Terraform plan passes but apply uses a different backend workspace after workflow splitA refactored CI pipeline shows a clean plan, yet apply mutates the wrong environment because plan and apply no longer share the same backend context.CI/CDAdvanced28 minProCICD-1580A Drone cron trigger fires and one nightly job still runs at the wrong timeOne nightly Drone job runs at the wrong hour after timezone standardization.CI/CDIntermediate7 minProCICD-1600A Drone log masking fix lands and one secret still leaksA secret still leaks in one Drone logging path after masking fixes.CI/CDIntermediate7 minProCICD-1610A Drone secret masker is fixed and one multiline token still leaksA multiline token still leaks in one Drone logger path after fixes.CI/CDIntermediate7 minProCICD-1519A deployment calendar says open and the pipeline still blocksOnly one region stays blocked after a release freeze is lifted.CI/CDIntermediate8 minProCICD-1510A deployment window check reads open in the calendar and still blocksOnly one regional deployment window blocks after a public holiday calendar update.CI/CDIntermediate8 minProCICD-1570A Drone pipeline masks secrets correctly and one multiline token still leaks to logsA multiline token leaks only in one legacy Drone executor path.CI/CDIntermediate8 minProCICD-1590A Drone secret masking fix lands and one multiline secret still leaksA multiline secret leaks only in one Drone logging path after masking fixes.CI/CDIntermediate8 minProCICD-1539A freeze window is lifted and one worker still blocks promotionOne region remains blocked after a freeze is lifted because its alias changed recently.CI/CDIntermediate8 minProCICD-1549A freeze window is lifted and one worker still blocks promotionOne region remains blocked after the freeze is lifted because its alias changed recently.CI/CDIntermediate8 minProCICD-1596A GitLab helper image updates and one autoscaled runner still uploads with the wrong mirrorOne autoscaled GitLab runner still pulls helpers from the wrong mirror after an update.CI/CDIntermediate8 minProCICD-1606A GitLab runner helper upgrade is correct and one autoscaled runner still pulls the old helperOne autoscaled runner still pulls the old helper after upgrade.CI/CDIntermediate8 minProCICD-1574A Jenkins agent reconnects and one pipeline still failsA single Jenkins agent fails to reconnect after controller TLS rotation.CI/CDIntermediate8 minProCICD-1594A Jenkins inbound agent reconnects and still failsOne Jenkins agent still fails after controller URL and certificate updates.CI/CDIntermediate8 minProCICD-1557A monorepo path filter is updated and one release workflow still skipsA release workflow skips only on one runner group after path filter changes.CI/CDIntermediate8 minProCICD-1529A release freeze is lifted and one worker still blocks promotionOne region remains blocked after a freeze window expires at midnight.CI/CDIntermediate8 minProCICD-1559A release train reopens and one region still blocks promotionOnly one region remains frozen after organization alias cleanup.CI/CDIntermediate8 minProCICD-1609A Spinnaker artifact account fix lands and one pipeline still deploys the old objectOne Spinnaker pipeline still deploys the old object after account cleanup.CI/CDIntermediate8 minProCICD-1599A Spinnaker artifact binding is fixed and one pipeline still deploys the old packageOne Spinnaker pipeline still deploys the old package after artifact account cleanup.CI/CDIntermediate8 minPro