A.假冒他人地址發(fā)送數(shù)據(jù) B.不承認做過信息的遞交行為 C.數(shù)據(jù)在傳輸中途被篡改 D.數(shù)據(jù)在傳輸中途被竊聽
A.0.156.202.31 B.244.59.298.156 C.124.89.198.32 D.20.0.0.0
A.校園網(wǎng)B.局域網(wǎng)C.廣域網(wǎng)D.WindowsNT網(wǎng)