AWS - Architecture Best Practices
Which AWS service configuration ensures automatic failover between two regions for disaster recovery?
Which AWS service configuration ensures automatic failover between two regions for disaster recovery?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify failover mechanism
Route 53 can route traffic based on health checks to different regions.Step 2: Use failover routing policy
This policy directs traffic to a secondary region if the primary is unhealthy.Final Answer:
Route 53 with health checks and failover routing policy -> Option CQuick Check:
Failover routing = Route 53 health checks [OK]
Quick Trick: Use Route 53 failover routing for cross-region availability [OK]
Common Mistakes:
- Confusing S3 versioning with failover
- Thinking EC2 networking handles failover
- Assuming CloudWatch alarms trigger failover
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