AWS - Route 53
Given a Route 53 failover setup where the primary endpoint is unhealthy and the secondary is healthy, what will be the DNS response to a query?
Given a Route 53 failover setup where the primary endpoint is unhealthy and the secondary is healthy, what will be the DNS response to a query?
medium📝 service behavior Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand failover routing response
If the primary endpoint is unhealthy, Route 53 routes traffic to the secondary endpoint.Step 2: Match DNS response to endpoint health
Since secondary is healthy, DNS response includes secondary's IP address only.Final Answer:
The DNS response will include the IP address of the secondary endpoint. -> Option AQuick Check:
Primary unhealthy = DNS returns secondary IP [OK]
Quick Trick: Failover returns secondary IP if primary fails health check [OK]
Common Mistakes:
- Expecting both IPs in response
- Assuming error returned if primary fails
- Thinking primary IP is always returned
Master "Route 53" in AWS
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore AWS Quizzes