Which feature should you deploy?

Your network contains servers that run Windows Server 2012.
The network contains a large number of iSCSI storage locations and iSCSI clients.
You need to deploy a central repository that can discover and list SCSI resources on the network automatically.
Which feature should you deploy?

A.
the Windows Standards-Based Storage Management feature

B.
the iSCSI Target Server role service

C.
the iSCSI Target Storage Provider feature

D.
the iSNS Server service feature

Explanation:
http://technet.microsoft.com/en-us/library/cc772568.aspx