DOP-C02 Resilient Cloud Solutions Practice Question

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✓

  Check CodeDeploy Console → Review Agent Logs → Validate AppSpec File → Verify Instance Configuration → Redeploy

  Why this is correct

  This is correct because troubleshooting should start with the most accessible source (console) for broad errors, then move to detailed logs on the instance, then validate the deployment definition (AppSpec), then check instance readiness, and finally attempt a redeploy after fixes.

• ✗

  Review Agent Logs → Check CodeDeploy Console → Validate AppSpec File → Verify Instance Configuration → Redeploy

  Why it's wrong here

  Beginning with agent logs is inefficient and often misleading because the CodeDeploy console aggregates deployment-level status and provides lifecycle event details that can immediately direct you to the specific instance and phase where the failure occurred. Agent logs are instance-local, require direct SSH/SSM access, and may not even exist if the deployment failed during bundle validation or before the agent was invoked. The console should be the first stop to obtain a high-level error code and identify which instances are in a failed state, after which log review becomes targeted and productive.

• ✗

  Validate AppSpec File → Check CodeDeploy Console → Review Agent Logs → Verify Instance Configuration → Redeploy

  Why it's wrong here

  Validating the AppSpec file before consulting the console is premature because the console reveals whether the failure is actually AppSpec-related (e.g., an InvalidAppSpecFile error) versus a hook script failure, a permissions problem, or an instance connectivity issue. Static validation of AppSpec YAML syntax or file paths will not surface runtime errors such as a missing script executable or an incompatible shell command. The correct approach is to let the console's deployment lifecycle and error message drive which artifact to inspect, so you do not waste time correcting a file that was never the root cause.

• ✗

  Redeploy → Check CodeDeploy Console → Review Agent Logs → Validate AppSpec File → Verify Instance Configuration

  Why it's wrong here

  Redeploying immediately without any diagnosis almost guarantees the same failure and can be actively harmful if the deployment triggers rollback or if the application is left in a partially updated state. CodeDeploy may even reject redeployment while the original deployment is still in a terminated or failed state with an in-progress lifecycle event, or the same misconfigured bundle will simply fail again. Troubleshooting must occur before any redeploy attempt so that the fix is verified and the deployment group is in a clean, known state; redeploy is the final verification step, not the initial action.

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