AWS Certified SysOps Administrator – Associate (legacy) — Question 111

An application you maintain consists of multiple EC2 instances in a default tenancy VPC. This application has undergone an internal audit and has been determined to require dedicated hardware for one instance. Your compliance team has given you a week to move this instance to single-tenant hardware.
Which process will have minimal impact on your application while complying with this requirement?

Answer options

• A. Create a new VPC with tenancy=dedicated and migrate to the new VPC
• B. Use ec2-reboot-instances command line and set the parameter "dedicated=true"
• C. Right click on the instance, select properties and check the box for dedicated tenancy
• D. Stop the instance, create an AMI, launch a new instance with tenancy=dedicated, and terminate the old instance

Correct answer: D

Explanation

The correct answer is D because it ensures that the instance is moved to dedicated hardware with minimal disruption by creating a new instance based on an AMI. Option A would require more time and effort to transfer everything to a new VPC. Option B is incorrect because you cannot change the tenancy of an existing instance using a reboot command. Option C is also wrong, as you cannot modify the tenancy of an existing instance through its properties.