Topic #: - All AWS DevOps Engineer Professional Questions

A. Reference the EC2 instances in the AWS::ECS::Cluster resource and reference the ECS cluster in the AWS::ECS::Service resource.
B. Reference the ECS cluster in the AWS::AutoScaling::LaunchConfiguration resource of the UserData property. Most Voted
C. Reference the ECS cluster in the AWS::EC2::Instance resource of the UserData property.
D. Reference the ECS cluster in the AWS::CloudFormation::CustomResource resource to trigger an AWS Lambda function that registers the EC2 instances with the appropriate ECS cluster.

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