AWS Certified Developer - Associate
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In AWS Elastic Beanstalk, which deployment strategies ensure that configuration changes are applied to new EC2 instances exclusively, and allow for two possible selections?
A
All at once deployment, which isn't suitable for the requirement of using new instances only.
B
Immutable deployment, where a new Auto Scaling group is created for the updated application version, ensuring minimal impact on the current environment by replacing old instances after successful health checks.
C
Rolling deployment, which doesn't meet the criteria of deploying to new instances exclusively.
D
Blue/green deployment, facilitating a new environment setup for the updated application version, providing a rollback option by switching traffic from the old to the new environment upon successful testing.