Amazon Exam ANS-C01 Topic 1 Question 51 Discussion

Actual exam question for Amazon's ANS-C01 exam

Question #: 51
Topic #: 1

A software-as-a-service (SaaS) provider hosts its solution on Amazon EC2 instances within a VPC in the AWS Cloud. All of the provider's customers also have their environments in the AWS Cloud.

A recent design meeting revealed that the customers have IP address overlap with the provider's AWS deployment. The customers have stated that they will not share their internal IP addresses and that they do not want to connect to the provider's SaaS service over the internet.

Which combination of steps is part of a solution that meets these requirements? (Choose two.)

ADeploy the SaaS service endpoint behind a Network Load Balancer.

BConfigure an endpoint service, and grant the customers permission to create a connection to the endpoint service.

CDeploy the SaaS service endpoint behind an Application Load Balancer.

DConfigure a VPC peering connection to the customer VPCs. Route traffic through NAT gateways.

EDeploy an AWS Transit Gateway, and connect the SaaS VPC to it. Share the transit gateway with the customers. Configure routing on the transit gateway.

Show Suggested Answer

Suggested Answer: A, B

NLB for creating the private link which solves the overlapping IP address issue and the SaaS service endpoint behind it. (the SaaS endpoint could be an ALB) https://aws.amazon.com/about-aws/whats-new/2021/09/application-load-balancer-aws-privatelink-static-ip-addresses-network-load-balancer/

by Junita at Jun 13, 2025, 07:25 PM

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Tamala

3 days ago

Options B and E seem like the way to go. Connecting the SaaS service to a private endpoint and using a transit gateway to link the customer VPCs is a solid approach.

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Buck

4 days ago

I think we should deploy the SaaS service endpoint behind a Network Load Balancer.

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