A.終端B.網(wǎng)關(guān)C.網(wǎng)守D.域名服務(wù)器
A.數(shù)字配線(xiàn)架B.語(yǔ)音配線(xiàn)架C.光纖配線(xiàn)架D.網(wǎng)絡(luò)配線(xiàn)架
A.Communication power supplyB.dispatching communicationC.Access networkD.Communication line