ANS-C01 · Question #157
ANS-C01 Question #157: Real Exam Question with Answer & Explanation
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Question
A company is deploying a web application into two AWS Regions. The company has one VPC in each Region. Each VPC has three Amazon EC2 instances as web servers behind an Application Load Balancer (ALB). The company already has configured an Amazon Route 53 public hosted zone for example.com. Users will access the application by using the fully qualified domain name (FQDN) of app.example.com. The company needs a DNS solution that allows global users to access the application. The solution must route the users' requests to the Region that provides the lowest response time. The solution must fail over to the Region that provides the next-lowest response time if the application is unavailable in the initially intended Region. Which solution will meet these requirements?
Options
- AFor each ALB, create an A record that has a geolocation routing policy to route app.example.com
- BCreate an A record that has a geolocation routing policy to route app.example.com to the IP
- CCreate an A record that has a latency-based routing policy to route app.example.com as an alias
- DFor each ALB, create an A record that has a latency-based routing policy to route
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