Which of the following instance types are available as Amazon EBS-backed only? (Choose two.)
A.
General purpose T2
B.
General purpose M3
C.
Compute-optimized C4
D.
Compute-optimized C3
E.
Storage-optimized 12
Explanation:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html
AC
Agree, A & C
http://www.aiotestking.com/amazon/which-of-the-following-instance-types-are-available-as-amazon-ebs-backed-only/