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AWS SAA-C03 · Question 25 · Domain 2.1: Scalable Architectures
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.)
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:
A.
Amazon EventBridge
B.
AWS CloudTrail
C.
AWS Lambda
D.
Amazon EC2 Auto Scaling
E.
AWS Step Functions
How to approach this question
Identify the event router (EventBridge) and the serverless compute (Lambda).
Full Answer
Amazon EventBridge and AWS Lambda.
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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