Which of the following methods can achieve this?

A company is storing data on Amazon Simple Storage Service (S3). The company’s security policy mandates that data is encrypted at rest.

Which of the following methods can achieve this? (Choose three.)
A . Use Amazon S3 server-side encryption with AWS Key Management Service managed keys.
B . Use Amazon S3 server-side encryption with customer-provided keys.
C . Use Amazon S3 server-side encryption with EC2 key pair.
D . Use Amazon S3 bucket policies to restrict access to the data at rest.
E . Encrypt the data on the client-side before ingesting to Amazon S3 using their own master key.
F . Use SSL to encrypt the data while in transit to Amazon S3.

Answer: ABE

Explanation:

Reference: http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingKMSEncryption.html