A.1-堅(jiān)持CSMA B.非堅(jiān)持CSMA C.P-堅(jiān)持CSMA D.CSMA/CA
A.1-堅(jiān)持CSMA B.Q-堅(jiān)持CSMA C.非堅(jiān)持CSMA D.P-堅(jiān)持CSMA
A.10% B.18% C.50% D.100%