A.廣域網(wǎng) B.城域網(wǎng) C.本地網(wǎng) D.局域網(wǎng)
A.數(shù)據(jù)段 B.數(shù)據(jù)包 C.數(shù)據(jù)幀 D.數(shù)據(jù)比特
A.LARF B.HDLC C.LAPB D.SDLC