A company is designing a multi-region active-active architecture for a latency-sensitive web application. They need to route users to the AWS Region that provides the lowest latency. If a region becomes unhealthy, traffic must automatically failover to the other region. Which Amazon Route 53 routing policy should be used?

Answer options:

Geolocation routing with Route 53 health checks.

Latency-based routing with Route 53 health checks.

Failover routing policy.

Weighted routing policy.

How to approach this question

Match 'lowest latency' requirement to Latency-based routing.

Full Answer

B.Latency-based routing with Route 53 health checks.✓ Correct

Latency-based routing with Route 53 health checks.

Route 53 Latency-based routing directs users to the AWS region that provides the fastest response time. Integrating health checks ensures traffic is only routed to healthy endpoints.

Common mistakes

Choosing Geolocation routing, which is based on physical location, not actual network latency.

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