A company has discovered an operating system security vulnerability that is impacting its production Amazon EC2 instances.
Which action should the company take?
A . Patch the instances with AWS Systems Manager.
B . Patch the vulnerability with Amazon Inspector.
C . Redeploy the Amazon EC2 instances with AWS CloudFormation.
D . Stop the instances. Change the Amazon Machine Image (AMI) to a patched version.
Restart the instances.
Answer: A