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which is currently attached to an EC2 instance in one A…

How can an EBS volume which is currently attached to an EC2 instance in one AZ be migrated to another AZ ?

A.
Detach the volume and attach to an EC2 instance in another AZ.

B.
Create a new volume in the other AZ and speciW the current volume as the source.

C.
Create a snapshot of the volume and then create a volume from the snapshot in the other AZ

D.
Create a new volume in the AZ and do a disk copy of contents from one volume to another.

Explanation: