A.IEEE802.2 B.IEEE802.3 C.IEEE802.5 D.以上都是
A.軟件執(zhí)行交換結構 B.矩陣交換結構 C.總線交換結構 D.共享存儲器交換結構
A.10Base－T B.100Base－TZ C.100Base.T4 D.100Base－FX
