which security aspects are the customer’s responsibility?

In AWS, which security aspects are the customer’s responsibility? Choose 4 answers

A.
Security Group and ACL (Access Control List) settings

B.
Decommissioning storage devices

C.
Patch management on the EC2 instance’s operating system

D.
Life-cycle management of IAM credentials

E.
Controlling physical access to compute resources

F.
Encryption of EBS (Elastic Block Storage) volumes

Explanation:
http://media.amazonwebservices.com/AWS_Security_Best_Practices.pdf