AWS Certified SysOps Administrator – Associate — Question 365

A company has an Amazon EC2 instance that has high CPU utilization. The EC2 instance is a t3.large instance and is running a test web application. The company discovers that the web application would operate better on a compute optimized large instance.

What should a SysOps administrator do to make this change?

Answer options

• A. Migrate the EC2 instance to a compute optimized instance by using AWS VM Import/Export.
• B. Enable hibernation on the EC2 instance. Change the instance type to a compute optimized instance. Disable hibernation on the EC2 instance.
• C. Stop the EC2 instance. Change the instance type to a compute optimized instance. Start the EC2 instance.
• D. Change the instance type to a compute optimized instance while the EC2 instance is running.

Correct answer: C

Explanation

To change the instance type of an Amazon EBS-backed EC2 instance, the instance must first be stopped. Once in the stopped state, the instance type can be modified to a compute optimized instance before restarting it. Changing the instance type of a running EC2 instance is not supported, and using VM Import/Export or hibernation is unnecessary for this operation.