Which three of the following UCS components can be upgraded?（）

A.only the default vlan has traffic that is tagged
B.All vNICs have to be associated with one or more VLANs except for the default vlan
C.vlan must be configured before configuring them into a vNIC
D.Tagging is done by the operating system NIC if the flag is set to tag traffic

A.The blade association will fail
B.The storage adapter wi11 not bevisib1e to the OS
C.The UCSM wizard will replace the driver in the OS service profile
D.The IP Address associated with the b1ade will not follow the service profile