What is a benefit of using the FCoE storage protocol?

What is a benefit of using the FCoE storage protocol?
A . Fewer physical Fibre Channel and Gigabit Ethernet switches are required.
B. Fewer physical storage systems are required when using FC SAN and iSCSI enabled storage systems.
C. Fewer physical host Ethernet network adapters are required when using CNA adapters.
D. Fewer physical storage systems are required when using FC SAN and FCoE enabled storage systems.

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Answer: B