What is the name of this type of shared storage?

You are planning to use shared storage for your evaluation of vSphere. Your colleague is describing a storage topology that can be built on a dedicated, 4Gbps, 8Gbps, or 16Gbps network composed of two fabrics for redundancy. What is the name of this type of shared storage?
A. Fibre Channel over Ethernet (FCoE)
B. Fibre Channel
C. NFS
D. iSCSI