SAA-C03 · Question #720
SAA-C03 Question #720: Real Exam Question with Answer & Explanation
The correct answer is C: Use AWS Global Accelerator, and assign a static anycast IP address to the application endpoint.. AWS Global Accelerator provides a single static anycast IP address for the application and automatically directs traffic to healthy endpoints across multiple Regions. It avoids issues with stale DNS caches and enables seamless failover between Regions.
Question
A company deployed an application in two AWS Regions. If the application becomes unavailable in one Region, the application must fail over to the second Region. The failover process must avoid stale DNS client caches. The company wants to use one endpoint to access both copies of the application. Which solution will meet these requirements?
Options
- AUse an Amazon CloudFront distribution that has multiple origins. Correlate each origin with the
- BUse an Amazon Route 53 weighted routing policy that uses equal weights to route client requests
- CUse AWS Global Accelerator, and assign a static anycast IP address to the application endpoint.
- DUse an Amazon Route 53 IP-based routing policy to route requests to the second Region if the
Explanation
AWS Global Accelerator provides a single static anycast IP address for the application and automatically directs traffic to healthy endpoints across multiple Regions. It avoids issues with stale DNS caches and enables seamless failover between Regions.
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