Can I delete a snapshot of the root device of an EBS volume used by a registered AMI?
A.
Only via API
B.
Only via Console
C.
Yes
D.
No
Explanation:
Note that you can’t delete a snapshot of the root device of an EBS volume used by a registered AMI. You must
first deregister the AMI before you can delete the snapshot.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-deleting-snapshot.html
No, you must first deregister