DOP-C02 · Question #229
A company needs to implement failover for its application. The application includes an Amazon CloudFront distribution and a public Application Load Balancer (ALB) in an AWS Region. The company has con
The correct answer is B. Create a new origin on the distribution for the secondary ALCreate a new origin group. Set the. Amazon CloudFront offers origin failover, where if a given request to the primary endpoint fails, CloudFront routes the request to the secondary endpoint. Unlike the failover operations described previously, all subsequent requests still go to the primary endpoint, and failover i
Question
A company needs to implement failover for its application. The application includes an Amazon CloudFront distribution and a public Application Load Balancer (ALB) in an AWS Region. The company has configured the ALB as the default origin for the distribution. After some recent application outages, the company wants a zero-second RTO. The company deploys the application to a secondary Region in a warm standby configuration. A DevOps engineer needs to automate the failover of the application to the secondary Region so that HTTP GET requests meet the desired RTO. Which solution will meet these requirements?
Options
- ACreate a second CloudFront distribution that has the secondary ALB as the default origin. Create
- BCreate a new origin on the distribution for the secondary ALCreate a new origin group. Set the
- CCreate Amazon Route 53 alias records that have a failover policy and Evaluate Target Health set
- DCreate a CloudFront function that detects HTTP 5xx status codes. Configure the function to return
How the community answered
(37 responses)- A16% (6)
- B46% (17)
- C30% (11)
- D8% (3)
Explanation
Amazon CloudFront offers origin failover, where if a given request to the primary endpoint fails, CloudFront routes the request to the secondary endpoint. Unlike the failover operations described previously, all subsequent requests still go to the primary endpoint, and failover is done per each https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/high_availability_origin_ failover.html#concept_origin_groups.creating
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