A.10MbpsB.100MbpsC.1GbpsD.10Gbps
A.一個節(jié)點(diǎn)進(jìn)行監(jiān)聽,監(jiān)聽到網(wǎng)絡(luò)空閑B.一個節(jié)點(diǎn)從網(wǎng)絡(luò)上收到信息C.網(wǎng)絡(luò)上某個節(jié)點(diǎn)有物理故障D.兩節(jié)點(diǎn)試圖同時發(fā)送數(shù)據(jù)
A.50ΩB.75ΩC.90ΩD.150Ω