ExpertMedium1 markMultiple Choice
AWS SAP-C02 · Question 29 · Domain 2.2: Business Continuity
An enterprise is designing a multi-region architecture for a critical web application. They need to route traffic to the region with the lowest latency for the user, but if a region fails, traffic must automatically failover to the healthy region. Which THREE Route 53 configurations are required? (Select THREE)
An enterprise is designing a multi-region architecture for a critical web application. They need to route traffic to the region with the lowest latency for the user, but if a region fails, traffic must automatically failover to the healthy region. Which THREE Route 53 configurations are required? (Select THREE)
Answer options:
A.
Create Route 53 Health Checks for the endpoints in each region.
B.
Use Geolocation routing policies.
C.
Use Latency-based routing policies.
D.
Use Multivalue answer routing policies.
E.
Associate the Health Checks with the Latency-based routing records.
F.
Configure a Route 53 Resolver endpoint.
G.
Enable DNSSEC on the hosted zone.
How to approach this question
Combine latency routing with health checks for active-active failover.
Full Answer
To achieve latency-based routing with failover, you create Latency records for each region, create Health Checks for the endpoints, and associate the Health Checks with the Latency records.
Common mistakes
Confusing Geolocation with Latency routing.
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