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SAP-C02 · Question #649

A company provides a software as a service (SaaS) application that runs in the AWS Cloud. The application runs on Amazon EC2 instances behind a Network Load Balancer (NLB). The instances are in an…

The correct answer is B. Create an AWS Global Accelerator standard accelerator. Create a standard accelerator endpoint. The company requires static IP addresses for its multi-Region SaaS application and automatic routing to the geographically closest region for customers.

Submitted by stefanr· Mar 6, 2026Design for New Solutions

Question

A company provides a software as a service (SaaS) application that runs in the AWS Cloud. The application runs on Amazon EC2 instances behind a Network Load Balancer (NLB). The instances are in an Auto Scaling group and are distributed across three Availability Zones in a single AWS Region. The company is deploying the application into additional Regions. The company must provide static IP addresses for the application to customers so that the customers can add the IP addresses to allow lists. The solution must automatically route customers to the Region that is geographically closest to them. Which solution will meet these requirements?

Options

  • ACreate an Amazon CloudFront distribution. Create a CloudFront origin group. Add the NLB for
  • BCreate an AWS Global Accelerator standard accelerator. Create a standard accelerator endpoint
  • CCreate an Amazon CloudFront distribution. Create a custom origin for the NLB in each additional
  • DCreate an AWS Global Accelerator custom routing accelerator. Create a listener for the custom

How the community answered

(33 responses)
  • A
    27% (9)
  • B
    52% (17)
  • C
    15% (5)
  • D
    6% (2)

Why each option

The company requires static IP addresses for its multi-Region SaaS application and automatic routing to the geographically closest region for customers.

ACreate an Amazon CloudFront distribution. Create a CloudFront origin group. Add the NLB for

Amazon CloudFront is a CDN primarily used for caching content at edge locations, not for providing static IP addresses for direct application access or intelligent traffic routing across regions for all application traffic.

BCreate an AWS Global Accelerator standard accelerator. Create a standard accelerator endpointCorrect

AWS Global Accelerator provides static Anycast IP addresses that act as a fixed entry point for applications, fulfilling the static IP requirement for customer allow lists. A standard accelerator distributes incoming application traffic across multiple AWS Regions, using the AWS global network to route users to the closest healthy endpoint, ensuring geographic routing and improved performance.

CCreate an Amazon CloudFront distribution. Create a custom origin for the NLB in each additional

CloudFront's custom origins can point to NLBs, but it still does not natively provide static IP addresses for direct client connectivity or optimize routing based on geographic proximity for all traffic types like Global Accelerator does.

DCreate an AWS Global Accelerator custom routing accelerator. Create a listener for the custom

An AWS Global Accelerator custom routing accelerator is designed for specific use cases like multi-tenant gaming, directing multiple users to specific application servers, rather than routing all users to the closest healthy regional endpoint for a general SaaS application.

Concept tested: Global Accelerator for static IPs and multi-region routing

Source: https://aws.amazon.com/global-accelerator/

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