In an FCoE switch, which function is provided by the Fibre Channel Forwarder (FCF)?

In an FCoE switch, which function is provided by the Fibre Channel Forwarder (FCF)?
A . Communication bridge between CEE and IP networks
B . Communication bridge between FC and FCIP networks
C . Communication bridge between CEE and FCIP networks
D . Communication bridge between CEE and FC networks

Answer: D