What is a possible cause of this failure?

An Applications team has successfully deployed an AWS CloudFormation stack consisting of 30 t2-medium Amazon EC2 instances in the us-west-2 Region. When using the same template to launch a stack in us-east-2, the launch failed and rolled back after launching only 10 EC2 instances.

What is a possible cause of this failure?
A . The IAM user did not have privileges to launch the CloudFormation template.
B . The t2 medium EC2 instance service limit was reached.
C . An AWS Budgets threshold was breached.
D . The application’s Amazon Machine Image (AMI) is not available in us-east-2.

View Answer

Answer: D