Which three roles are predefined in the Cisco UCS system?（）

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

A.The compute node reboots and is then connected to the CMC
B.A compute node is assigned to a service profile
C.if the association is successful the cisco UCS manager boots the cisco UUOS to configure the compute  node
D.The compute node reboots to reload and then loads NX OS and establishes connections to both the CMC  and the IOMs