Task Statement 1.4: Implement Deployment Strategies for Instance, Container, and Serverless Environments. DOP-C02 Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   What is a common method to switch traffic from the blue environment to the green environment in a blue/green deployment?

   • ADeleting the blue environment
   • BRebooting the blue instances
   • CUpdating DNS records
   • DModifying security groups
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   What is a key benefit of immutable deployments over mutable deployments?

   • ANo need for automation
   • BFaster deployment time
   • CConsistent and reproducible environments
   • DLower infrastructure cost
   Reveal Solution Discussion Select an answer first
4. 23foundation · easy

   Which AWS service is used to implement blue/green and canary deployments for Amazon ECS services by shifting traffic between two task sets?

   • AAWS CloudFormation
   • BAWS Elastic Beanstalk
   • CAWS App Mesh
   • DAWS CodeDeploy
   Reveal Solution Discussion Select an answer first
5. 24application · medium

   A company runs a stateless web application on EC2 instances that are replaced frequently as part of an immutable deployment strategy. The application generates log files that need to be retained for 90 days for compliance. The logs are not accessed frequently but must be available for analysis. Which storage service should the team use for the logs?

   • AInstance store volumes
   • BAmazon EFS file system
   • CAmazon EBS volume attached to each instance
   • DAmazon S3 bucket
   Reveal Solution Discussion Select an answer first
6. 25expert · hard

   A company runs a web service on Amazon ECS with a desired count of 6 tasks. They want to deploy a new version with a canary strategy, shifting 10% of traffic to the new version, waiting 15 minutes, then shifting the remaining traffic. The team also needs the ability to roll back quickly if the new version fails. Which configuration should the team use?

   • AUse the ECS rolling update deployment type with a minimum healthy percent of 50% and maximum percent of 150%
   • BUse the ECS external deployment type and manually manage the traffic split
   • CUse the ECS rolling update deployment type with a minimum healthy percent of 100% and maximum percent of 200%
   • DUse the ECS blue/green deployment type with CodeDeploy and a canary traffic-shifting configuration
   Reveal Solution Discussion Select an answer first