Questão 8 — AWS DOP-C02 Practice Exam — Simulado AWS Certified DevOps Engineer Professional
A company has a mission-critical application on AWS that uses automatic scaling The company wants the deployment lilecycle to meet the following parameters. · The application must be deployed one instance at a time to ensure the remaining fleet continues to serve traffic · The application is CPU intensive and must be closely monitored · The deployment must automatically roll back if the CPU utilization of the deployment instance exceeds 85%. Which solution will meet these requirements?
- A. Use AWS CloudFormalion to create an AWS Step Functions state machine and Auto Scaling hfecycle hooks to move to one instance at a time into a wait state Use AWS Systems Manager automation to deploy the update to each instance and move it back into the Auto Scaling group using the heartbeat timeout
- B. Use AWS CodeDeploy with Amazon EC2 Auto Scaling. Configure an alarm tied to the CPU utilization metric. Use the CodeDeployDefault OneAtAtime configuration as a deployment strategy Configure automatic rollbacks within the deplo roll back the deployment if the alarm thresholds are breached
- C. Use AWS Elastic Beanstalk for load balancing and AWS Auto Scaling Configure an alarm tied to the CPU utilization metric Configure rolling deployments with a fixed batch size of one instance Enable enhanced health to monitor the status of the deployment and roll back based on the alarm previously created.
- D. Use AWS Systems Manager to perform a blue/green deployment with Amazon EC2 Auto Scaling Configure an alarm tied to the CPU utilization metric Deploy updates one at a time Configure automatic rollbacks within the Auto Scaling group to roll back the deployment if the alarm thresholds are breached
Resposta correta:
B
Explicação
Explanation: https://aws.amazon.com/about-aws/whats-new/2016/09/aws-codedeploy-introduces-deployment- monitoring-with-amazon-cloudwatch-alarms-and-automatic-deployment-rollback/
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