A.10Base-F B.10Base-H C.100Base-T D.10Base-C
A.令牌以太網(wǎng) B.吉比特以太網(wǎng) C.環(huán)形以太網(wǎng) D.快速以太網(wǎng)
A.P-堅持CSMAB.2-堅持CSMAC.O-堅持CSMAD.Q-堅持CSMA