AWS Certified CloudOps Engineer Associate SOA-C03 Practice Question

A CloudOps engineer configured a CloudWatch alarm to invoke a Lambda function directly for automated remediation. The alarm is correctly transitioning to the ALARM state, but the Lambda function is not being invoked. Logs show no invocation attempts. What is the MOST likely cause of this issue?

  • The Lambda function's IAM execution role does not grant permission to be invoked by CloudWatch.

  • The alarm action must first send a notification to an SNS topic, which then triggers the Lambda function.

  • An Amazon EventBridge rule must be created to route the alarm state change to the Lambda function.

  • The Lambda function is missing a resource-based policy granting invoke permissions to the CloudWatch Alarms service principal.

AWS Certified CloudOps Engineer Associate SOA-C03
Monitoring, Logging, Analysis, Remediation, and Performance Optimization
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