A.Token RingB.CSMA/CDC.Token BusD.FDDI
A.10MbpsB.100MbpsC.1GbpsD.10Gbps
A.一個(gè)節(jié)點(diǎn)進(jìn)行監(jiān)聽,監(jiān)聽到網(wǎng)絡(luò)空閑B.一個(gè)節(jié)點(diǎn)從網(wǎng)絡(luò)上收到信息C.網(wǎng)絡(luò)上某個(gè)節(jié)點(diǎn)有物理故障D.兩節(jié)點(diǎn)試圖同時(shí)發(fā)送數(shù)據(jù)