A company asks a SysOps administrator to provision an additional environment for an application in four additional AWS Regions. The application is running on more than 100 Amazon C2 instances in the us-east-1 Region, using fully configured Amazon Machine Images (AMIs). The company has an AWS CloudFormation template to deploy resources in us-east-1. What should the SysOps administrator do to provision the application in the MOST operationally efficient manner?

Topic #: - All AWS Certified SysOps Administrator - Associate Questions

A. Copy the AMI to each Region by using the aws ec2 copy-image command. Update the CloudFormation template to include mappings for the copied AMIs.
B. Create a snapshot of the running instance. Copy the snapshot to the other Regions. Create an AMI from the snapshots. Update the CloudFormation template for each Region to use the new AMI.
C. Run the existing CloudFormation template in each additional Region based on the success of the template that is used currently in us-east-1.
D. Update the CloudF ormation template to include the additional Regions in the Auto Scaling group. Update the existing stack in us-east-1.

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