Which of the following are true regarding encrypted Amazon Elastic Block Store (EBS) volumes? Choose 2 answers

Which of the following are true regarding encrypted Amazon Elastic Block Store (EBS) volumes? Choose 2 answers
A . Supported on all Amazon EBS volume types
B . Snapshots are automatically encrypted
C . Available to all instance types
D . Existing volumes can be encrypted
E . shared volumes can be encrypted

Answer: A, B

Explanation:

This feature is supported on all Amazon EBS volume types (General Purpose (SSD), Provisioned Lops (SSD), and Magnetic). You can access encrypted Amazon EBS volumes the same way you access existing volumes; encryption and decryption are handled transparently and they require no additional action from you, your Amazon EC2 instance, or your application. Snapshots of encrypted Amazon EBS volumes are automatically encrypted, and volumes that are created from encrypted Amazon EBSsnapshots are also automatically encrypted.

Reference: http://docs.aws.a mazon.com/kms/latest/developerguide/services-ebs.htmI