Home » Amazon » AWS DevOps Engineer Professional v.2 » When thinking of AWS OpsWorks, which of the following is not an instance type you can allocate in a stack layer?
When thinking of AWS Elastic Beanstalk, the ‘Swap Environment URLs’ feature most directly aids in what?
A. Immutable Rolling Deployments
B. Mutable Rolling Deployments
C. Canary Deployments
D. Blue-Green Deployments
Correct Answer: D
Explanation/Reference:
Explanation:
Simply upload the new version of your application and let your deployment service (AWS Elastic Beanstalk, AWS CloudFormation, or AWS OpsWorks) deploy a new version (green). To cut over to the new version, you simply replace the ELB URLs in your DNS records. Elastic Beanstalk has a Swap Environment URLs feature to facilitate a simpler cutover process.
Reference:
https://d0.awsstatic.com/whitepapers/overview-of-deployment-options-on-aws.pdf
