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AWS Certified CloudOps Engineer Associate SOA-C03 Practice Question

An operations team collects JVM heap usage as a custom CloudWatch metric from two Amazon EC2 instances that run a critical application. They must automatically restart the application service on the affected instance whenever average heap usage exceeds 80 % for 5 consecutive minutes. The solution must require the least operational overhead and allow administrators to view execution output in AWS. Which approach meets these requirements?

  • Configure the alarm to initiate the EC2 recover action when the threshold is breached and review activity through CloudTrail logs.

  • Publish the alarm to an SNS topic that invokes a Lambda function. The function connects to the instance over SSH to restart the service and writes logs to CloudWatch Logs.

  • Attach a step scaling policy to the Auto Scaling group to launch an additional instance when the metric exceeds the threshold, relying on load balancer health checks to remove the busy instance.

  • Create a CloudWatch alarm on the custom metric. Add an EventBridge rule that matches the alarm when it enters the ALARM state and targets a Systems Manager Automation runbook that restarts the service on the indicated EC2 instance.

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