Which protocol does the UCS Fabric Interconnect support on port channel uplinks?（）

A.Server Admin
B.Network Admin
C.Storage Admin
D.Security Admin

A.SFPs
B.BIOS firmware
C.cluster firmware
D.Fabric Interconnect
E.Baseboard Management Controller （BMC）

A.By using active / passive teaming with spanning tree on the active link
B.By using active / passive teaming with only the active link in use
C.By using active / active teaming with VM utilizing both uplink ports