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AWS Certified Solutions Architect - Professional · AWS
Select 3 answers.
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Use CloudWatch agent to emit process metrics (not just EC2 status checks), alarm on failures and send to SNS (D), and trigger a Lambda to take the failed instance out of service and update the VPC routes to the new ASG instance (E). Options A/C don’t detect app-level failure correctly, and F tries to use CloudFormation for runtime routing, which isn’t appropriate.
BDE.. but a professional should use ASG Lifecycle hooks https://docs.aws.amazon.com/autoscaling/ec2/userguide/lifecycle-hooks.html
you cannot update templates you can version them. ADE