Câu 175: AWS Certified SysOps Administrator(Old)

A company is planning to expand into an additional AWS Region for disaster recovery purposes. The company uses AWS CloudFormation, and its 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 Amazon Machine Images (AMIs) are selected in AWS CloudFormation, but is having trouble making the same stack work in the new Region. Which action would make it easier to manage multiple Regions?

1. A. Name each AMI in the new Region exactly the same as the equivalent AMI in the first Region.
2. B. Duplicate the stack so unique AMI names can be coded into the appropriate stack. — đáp án hiện tại
3. C. Create an alias for each AMI so that an AMI can be referenced by a common name across Regions.
4. D. Create a Mappings section in the stack, and define the Region to AMI associations.