A company wants to trigger an automated remediation script whenever an EC2 instance changes its state to 'stopped'. The solution should be serverless and require minimal operational overhead. Which TWO services should be used? (Select TWO.)

Answer options:

Amazon EventBridge

AWS CloudTrail

AWS Lambda

Amazon EC2 Auto Scaling

AWS Step Functions

How to approach this question

Identify the event router (EventBridge) and the serverless compute (Lambda).

Full Answer

Amazon EventBridge can be configured with a rule to match EC2 instance state change events. The rule can trigger an AWS Lambda function, which provides a serverless way to execute the remediation script.

Common mistakes

Using CloudTrail to trigger actions, which introduces latency compared to EventBridge.

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