Which solution will meet these requirements?
A company uses AWS CloudFormation to manage an application that runs on Amazon EC2 Instances.The instances are in an Amazon EC2 Auto Scaling group.The company wants to treat its infrastructure as immutable.A DevOps engineer must implement a solution to replace two EC2 instances at a time whenever operating system configuration updates are needed or when new Amazon Machine.Images (AMIs) are needed.A minimum of four EC2 instances must be running whenever an update is in progress.Which solution will meet these requirements?Read More →