A.在CSMA/CD機(jī)制中,計(jì)算機(jī)在發(fā)送數(shù)據(jù)之前先監(jiān)聽網(wǎng)絡(luò)中是否有數(shù)據(jù)正在傳輸
B.在CSMA/CD機(jī)制中,當(dāng)一臺(tái)計(jì)算機(jī)發(fā)現(xiàn)其發(fā)送的數(shù)據(jù)與其它計(jì)算機(jī)發(fā)送的數(shù)據(jù)產(chǎn)生了沖突時(shí),該計(jì)算機(jī)將立即停止數(shù)據(jù)的發(fā)送
C.在CSMA/CD機(jī)制中,當(dāng)一臺(tái)計(jì)算機(jī)發(fā)現(xiàn)其發(fā)送的數(shù)據(jù)與其它計(jì)算機(jī)發(fā)送的數(shù)據(jù)產(chǎn)生了沖突時(shí),該計(jì)算機(jī)將繼續(xù)數(shù)據(jù)的發(fā)送
D.CSMA/CD機(jī)制的作用是降低網(wǎng)絡(luò)中產(chǎn)生數(shù)據(jù)沖突的概率