A SysOps administrator has an AWS CloudFormation template of the company’s existing infrastructure in us-west-2. The administrator attempts to use the template to launch a new stack in eu-west-1, but the stack only partially deploys, receives an error message, and then rolls back.
Why would this template fail to deploy? (Select TWO.)
A . The template referenced an IAM user that is not available in eu-west-1.
B . The template referenced an Amazon Machine Image (AMI) that is not available in eu-west-1.
C . The template did not have the proper level of permissions to deploy the resources.
D . The template requested services that do not exist in eu-west-1.
E . CloudFormation templates can be used only to update existing services.
Answer: BD
Explanation:
When attempting to deploy a CloudFormation template from one region (us-west-2) to another (eu-west-1), the deployment might fail due to region-specific resources and services.
Amazon Machine Image (AMI) Availability:
AMIs are region-specific. If the template references an AMI that is only available in us-west-2 and not in eu-west-1, the stack will fail to deploy in eu-west-1.
To resolve this, identify the AMI used in us-west-2 and find or create a similar AMI in eu-west-1.
Service Availability:
Some AWS services are not available in all regions. If the template includes resources or services that are not available in eu-west-1, the stack will fail.
Check the AWS Regional Services List to ensure all services and resource types in the template are available in eu-west-1.
Reference: Copy an AMI
AWS Regional Services List
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