多项选择题
Which two of the following are designated fields for MAC tunneling protocol(802.1 ah)?()
A.Service Ethertype B.ISL C.PseudoLAN TAG D.802.1q VLAN TAG E.Control Word F.Tunnel Label
单项选择题 ASuccessoris().
单项选择题 RoutesredistributedintoanOSPFASBRarewhichLSAtype?()
单项选择题 Whatisusedaslabelincell-basedMPLS?()