QuestionQ51

Monitoring and Logging

A company runs an application on Amazon EC2 instances in an Auto Scaling group. Recently, an issue prevented EC2 instances from launching successfully, and the Support team took several hours to detect it. The Support team wants to receive an email notification whenever an EC2 instance fails to start successfully.

Which action will accomplish this?

Explanation

Amazon EC2 Auto Scaling can publish an Amazon SNS notification for the autoscaling:EC2_INSTANCE_LAUNCH_ERROR event type when an instance launch fails. An email subscription to that SNS topic delivers the required notification.

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