DOP-C02 · Question #353
A DevOps team supports an application that runs in an Amazon Elastic Container Service (Amazon ECS) cluster behind an Application Load Balancer (ALB). Currently, the DevOps team uses AWS CodeDeploy to
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Question
A DevOps team supports an application that runs in an Amazon Elastic Container Service (Amazon ECS) cluster behind an Application Load Balancer (ALB). Currently, the DevOps team uses AWS CodeDeploy to deploy the application by using a blue/green all-at-once strategy. Recently, the DevOps team had to roll back a deployment when a new version of the application dramatically increased response times for requests. The DevOps team needs use to a deployment strategy that will allow the team to monitor a new version of the application before the team shifts all traffic to the new version. If a new version of the application increases response times, the deployment should be rolled back as quickly as possible. Which combination of steps will meet these requirements? (Choose two.)
Options
- AModify the CodeDeploy deployment to use the
- BModify the CodeDeploy deployment to use the
- CCreate an Amazon CloudWatch alarm to monitor the UnHealthyHostCount metric for the ALB. Set
- DCreate an Amazon CloudWatch alarm to monitor the TargetResponseTime metric for the ALB.
- ECreate an Amazon CloudWatch alarm to monitor the TargetConnectionErrorCount metric for the
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