A.鏈路層和網(wǎng)絡(luò)層 B.網(wǎng)絡(luò)層和傳輸層 C.傳輸層和會話層 D.會話層和表示層
A.幀(frame),數(shù)據(jù)包(packet),段(segment),比特流(bit) B.段(segment),數(shù)據(jù)包(packet),幀(frame),比特流(bit) C.比特流(bit),幀(frame),數(shù)據(jù)包(packet),段(segment) D.數(shù)據(jù)包(packet),段(segment),幀(frame),比特流(bit)
A.物理層.數(shù)據(jù)鏈路層.網(wǎng)絡(luò)層.傳輸層 B.數(shù)據(jù)鏈路層.網(wǎng)絡(luò)層.傳輸層.會話層 C.會話層.表示層.應(yīng)用層 D.數(shù)據(jù)鏈路層.網(wǎng)絡(luò)層.傳輸層