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SAA-C03 · Question #735

A company hosts its ecommerce application in the AWS Cloud. The application uses a multi- Region active-active approach and many microservices. The company needs a solution to redirect traffic if…

The correct answer is A. Use the Amazon Route 53 Application Recovery Controller multi-Region recovery capability. Amazon Route 53 Application Recovery Controller provides automated, multi-Region failover and ensures that the standby Region is ready to handle traffic with minimal operational overhead. It simplifies traffic routing during regional outages and supports active-active…

Submitted by salim_om· Mar 4, 2026Design Resilient Architectures

Question

A company hosts its ecommerce application in the AWS Cloud. The application uses a multi- Region active-active approach and many microservices. The company needs a solution to redirect traffic if resources in an AWS Region become unavailable. The company wants to ensure that the failover Region is ready to handle traffic in case of a failover. Which solution provides application resiliency with the LEAST operational overhead?

Options

  • AUse the Amazon Route 53 Application Recovery Controller multi-Region recovery capability.
  • BUse Amazon Route 53 health checks to monitor the multi-Region endpoints to redirect traffic.
  • CUse AWS Fault Injection Service to reroute the traffic to another Region if resources in a Region
  • DDeploy Amazon API Gateway HTTP APIs in each Region. Use an Amazon CloudFront

How the community answered

(58 responses)
  • A
    81% (47)
  • B
    3% (2)
  • C
    5% (3)
  • D
    10% (6)

Explanation

Amazon Route 53 Application Recovery Controller provides automated, multi-Region failover and ensures that the standby Region is ready to handle traffic with minimal operational overhead. It simplifies traffic routing during regional outages and supports active-active architectures without manual intervention.

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