What is the function of the Caching Service Module? (CSM)?

A.
Acts as a gateway for a Fibre Channel device to the Internet.

B.
Provides a platform for multiprotocol connectivity to existing storage devices.

C.
Delivers hardware-assisted, network-hosted virtualization and replication services.

D.
Enabled pooling of heterogeneous storage for increased storage utilization, simplified storage management, and reduction of the total cost of storage ownership.