What should a solutions architect recommend?

A recent analysis of a company’s IT expenses highlights the need to reduce backup costs. The company’s chief information officer wants to simplify the on-premises backup infrastructure and reduce costs by eliminating the use of physical backup tapes. The company must preserve the existing investment in the on-premises backup applications and workflows.

What should a solutions architect recommend?
A . Set up AWS Storage Gateway to connect with the backup applications using the NFS interface.
B . Set up an Amazon EFS file system that connects with the backup applications using the NFS interface
C . Set up an Amazon EFS file system that connects with the backup applications using the iSCSI interface
D . Set up AWS Storage Gateway to connect with the backup applications using the iSCSI-virtual tape library (VTL) interface.

Answer: D