Please select the Amazon EC2 resource which can be tagged.

Please select the Amazon EC2 resource which can be tagged.

A.
key pairs

B.
Elastic IP addresses

C.
placement groups

D.
Amazon EBS snapshots

Explanation:
Placement group and Elastic IP cannot be tagged.
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html Snapshots can be tagged: http://
docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html