通常,我們把傳輸層數(shù)據(jù)、網(wǎng)絡(luò)層數(shù)據(jù)、數(shù)據(jù)鏈路層、物理層數(shù)據(jù)稱為( )
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)