Question 4
A company is planning to expand into additional AWS Region for disaster recovery purposes. The company use AWS Cloudformation and it infrastructure is well-defined as code. The company would like to reuse as much of its existing code as possible when deploying resources to additional regions.
A SysOps Administrator is reviewing how AMIs are selected in AWS Cloudformation but is having trouble making the same stack work in new region. Which action would be made it easier to manage multiple Regions ?
Name each AMI in the new region exactly the same as the requirement AMI in the first region
Duplicate the stack so unique AMI names can be coded into the appreciate stack
Create an alias for each AMI so that an AMI can be referenced by a common name across region
Create a Mappings section in the stack and define the Region to AMI associations
Correct answer: D