A.數(shù)據(jù)傳輸B.數(shù)據(jù)壓縮C.數(shù)據(jù)過濾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