Amazon
DOP-C02 · Question #439
A DevOps team deploys an ECS app behind an ALB using CodeDeploy with all-at-once strategy. Recent deployment increased response times, requiring rollback. The team wants a deployment strategy to monit
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Submitted by lukas.cz· Mar 6, 2026SDLC Automation
Question
A DevOps team deploys an ECS app behind an ALB using CodeDeploy with all-at-once strategy. Recent deployment increased response times, requiring rollback. The team wants a deployment strategy to monitor new versions before full traffic shift and rollback quickly if issues occur. Which steps meet these requirements? (Select TWO.)
Options
- AUse CodeDeployDefault.ECSCanary10Percent5Minutes deployment configuration.
- BUse CodeDeployDefault.ECSLinear10PercentEvery3Minutes deployment configuration.
- CCreate a CloudWatch alarm on ALB UnHealthyHostCount and associate it with the deployment
- DCreate a CloudWatch alarm on ALB TargetResponseTime and associate it with the deployment
- ECreate a CloudWatch alarm on ALB TargetConnectionErrorCount and associate it with the
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Topics
#CodeDeploy#ECS deployment#Canary deployment#Automated rollback