What does the AWS Storage Gateway provide?
A.
It allows to integrate on-premises IT environments with Cloud Storage.
B.
A direct encrypted connection to Amazon S3.
C.
It’s a backup solution that provides an on-premises Cloud storage.
D.
It provides an encrypted SSL endpoint for backups in the Cloud.
A, integrate on-premises equipment with Cloud Storage
http://www.aiotestking.com/amazon/what-does-the-aws-storage-gateway-provide/
https://aws.amazon.com/storagegateway/faqs/