A.在一個(gè)沖突時(shí)槽內(nèi)有多個(gè)站發(fā)送數(shù)據(jù) B.有的站沒有監(jiān)聽而隨意發(fā)送數(shù)據(jù) C.有的站只發(fā)送很短的數(shù)據(jù)幀 D.由CSMA/CD協(xié)議缺陷而產(chǎn)生的沖突
A.非堅(jiān)持型監(jiān)聽 B.I-堅(jiān)持型監(jiān)聽 C.P-堅(jiān)持型監(jiān)聽 D.隨機(jī)訪問型監(jiān)聽
A.IEEE802.11n B.IEEE802.11a C.IEEE802.11b D.IEEE802.11g