ExpertMedium1 markMultiple Choice
AWS SAA-C03 · Question 27 · Domain 2.2: Highly Available Architectures
A company has a primary web application hosted in the us-east-1 Region and a disaster recovery (DR) site in the us-west-2 Region. The company wants to automatically route user traffic to the DR site if the primary site goes down. Which TWO Amazon Route 53 features are required to implement this? (Select TWO.)
A company has a primary web application hosted in the us-east-1 Region and a disaster recovery (DR) site in the us-west-2 Region. The company wants to automatically route user traffic to the DR site if the primary site goes down. Which TWO Amazon Route 53 features are required to implement this? (Select TWO.)
Answer options:
A.
Latency-based routing
B.
Failover routing policy
C.
Weighted routing policy
D.
Route 53 health checks
E.
Geolocation routing policy
How to approach this question
Active-passive failover requires a Failover routing policy and Health Checks to monitor the active site.
Full Answer
B,D
To configure active-passive failover, you use a failover routing policy. Route 53 needs a way to determine if the primary endpoint is healthy, which is accomplished by configuring Route 53 health checks.
Common mistakes
Forgetting that health checks are a mandatory component of failover routing.
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