A company has a primary web application hosted in the us-east-1 region and a disaster recovery site in us-west-2. They want to automatically route user traffic to us-west-2 if the primary site becomes unresponsive. Which Route 53 routing policy should be used?

Answer options:

Latency routing policy

Weighted routing policy

Failover routing policy

Geolocation routing policy

How to approach this question

Look for 'primary and disaster recovery site' and 'automatic routing if unresponsive'. This is Failover routing.

Full Answer

C.Failover routing policy✓ Correct

Failover routing policy

Route 53 Failover routing policy is used to configure active-passive failover. It evaluates the health of the primary resource using health checks and routes traffic to the secondary resource if the primary is unhealthy.

Common mistakes

Choosing Latency routing, which is for performance optimization, not strict active-passive failover.

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