A company is designing a multi-region architecture for a critical API. The API is hosted on Amazon API Gateway and AWS Lambda. The company wants to route users to the region with the lowest latency. If a region fails, traffic must automatically failover to the healthy region. Which combination of services and configurations should be used? (Select TWO)

Answer options:

Use Amazon Route 53 with a Latency-based routing policy.

Use AWS Global Accelerator with endpoint groups in both regions.

Configure Route 53 health checks for the API Gateway endpoints and associate them with the routing records.

Use Amazon CloudFront with Origin Failover configured for the two API Gateway origins.

Use Amazon Route 53 with a Geolocation routing policy.

Deploy an Application Load Balancer in front of API Gateway to handle cross-region failover.

How to approach this question

Combine latency routing with health checks for HA.

Full Answer

Route 53 Latency-based routing directs users to the lowest latency region. Associating Route 53 health checks with these records ensures that if a region goes down, Route 53 stops sending traffic there, providing automatic failover.

Common mistakes

Choosing Global Accelerator, forgetting it doesn't natively support API Gateway as an endpoint.

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