How can the user achieve DR?

A user has launched a large EBS backed EC2 instance in the US-East-1a region. The user wants to achieve
Disaster Recovery (DR. for that instance by creating another small instance in Europe. How can the user
achieve DR?

A.
Copy the running instance using the “Instance Copy” command to the EU region

B.
Create an AMI of the instance and copy the AMI to the EU region. Then launch the instance from the
EU AMI

C.
Copy the instance from the US East region to the EU region

D.
Use the “Launch more like this” option to copy the instance from one region to another

Explanation:
To launch an EC2 instance it is required to have an AMI in that region. If the AMI is not available in that region,
then create a new AMI or use the copy command to copy the AMI from one region to the other region.