A.9600 B.2400 C.115200 D.38400
A.網(wǎng)絡(luò)層 B.傳輸層 C.會(huì)話層 D.表示層
A.傳輸層的數(shù)據(jù)稱為幀(Frame) B.網(wǎng)絡(luò)層的數(shù)據(jù)稱為段(Segment) C.數(shù)據(jù)鏈路層的數(shù)據(jù)稱為數(shù)據(jù)包(Packet) D.物理層的數(shù)據(jù)稱為比特(Bit)