SAP-C01 practice - PrepKeys

Q2 Multiple choice

A software company hosts an application on AWS with resources in multiple AWS accounts and Regions.
The application runs on a group of Amazon EC2 instances in an application VPC located in the us-east-1
Region with an IPv4 CIDR block of 10.10.0.0/16. In a different AWS account, a shared services VPC is located in the us-east-2 Region with an IPv4 CIDR block of 10.10.10.0/24. When a cloud engineer uses AWS CloudFormation to attempt to peer the application VPC with the shared services VPC, an error message indicates a peering failure.

Which factors could cause this error? (Choose two.)

Select all that apply.

A
The IPv4 CIDR ranges of the two VPCs overlap
B
The VPCs are not in the same Region
C
One or both accounts do not have access to an Internet gateway
D
One of the VPCs was not shared through AWS Resource Access Manager
E
The IAM role in the peer accepter account does not have the correct permissions