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Amazon AWS Certified Solutions Architect - Professional SAP-C02 Exam

259 Questions120 Minutes70% Passing Score▣ Updated: Sep 2026

Question 124 of 259

Choose 2

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.)

A

A. The IPv4 CIDR ranges of the two VPCs overlap

B

B. The VPCs are not in the same Region

C

C. One or both accounts do not have access to an Internet gateway

D

D. One of the VPCs was not shared through AWS Resource Access Manager

E

E. The IAM role in the peer accepter account does not have the correct permissions

Correct Answer: A, B

<p>A. The IPv4 CIDR ranges of the two VPCs overlap</p>

Explanation

The correct answer is highlighted above. Review the wording carefully, then use the next question to continue building your understanding of AWS certification topics.

About this practice exam

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