A Sys Admin Is Using Server Side Encryption with AWS

Multiple Choice

A sys admin is using server side encryption with AWS S3. Which of the below mentioned statements helps the user understand the S3 encryption functionality?

A) The server side encryption with the user supplied key works when versioning is enabled
B) The user can use the AWS console, SDK and APIs to encrypt or decrypt the content for server side encryption with the user supplied key
C) The user must send an AES-128 encrypted key
D) The user can upload his own encryption key to the S3 console