ExpertMedium1 markMultiple Choice
AWS SAP-C02 · Question 26 · Domain 1.3: Reliable Architectures
A company is designing a multi-region active-active architecture for a stateless web application. They need to route users to the region providing the lowest latency. If a region fails, traffic must automatically route to the healthy region. Which routing solution is BEST?
A company is designing a multi-region active-active architecture for a stateless web application. They need to route users to the region providing the lowest latency. If a region fails, traffic must automatically route to the healthy region. Which routing solution is BEST?
Answer options:
A.
Amazon Route 53 with Geolocation routing.
B.
Amazon Route 53 with Latency-based routing and health checks.
C.
AWS Global Accelerator with default configuration.
D.
Application Load Balancer with cross-zone load balancing.
How to approach this question
Identify the DNS routing policy based on network performance.
Full Answer
B.Amazon Route 53 with Latency-based routing and health checks.✓ Correct
Latency-based routing directs traffic to the AWS region with the lowest network latency for the end user.
Common mistakes
Confusing Geolocation (physical distance) with Latency (network speed).
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