You have an EC2 Instance which is an EBS backed Instance. An application hosted on this instance is having issues. To resolve the issue, the best bet is to upgrade the instance to a higher instance type. How can you achieve this?

Answer options:

A.Directly change the instance type from the AWS Console.
B.Stop the Instance and then change the Instance Type.
C.Detach the underlying EBS volumes and then change the Instance Type.
D.Detach the underlying ENI and then change the Instance Type.

Correct Answer: B
According to the AWS Documentation, EBS-backed instances must be stopped before changing the instance type.
Options A, C and D are invalid for the scenario.
For more information on Resizing EC2 Instances, please refer to the below URL-
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-resize.html