A.數(shù)據(jù)傳輸B.數(shù)據(jù)壓縮C.數(shù)據(jù)過(guò)濾D.數(shù)據(jù)格式轉(zhuǎn)換
A.141.0.0.0 B.3.3.3.3 C.197.234.111.123 D.23.34.45.56
A.雙絞線 B.同軸電纜 C.光纖 D.微波