A.客戶端解封數(shù)據(jù)段并打開網(wǎng)頁 B.客戶端向數(shù)據(jù)段添加適當?shù)奈锢淼刂芬员惴掌鬓D發(fā)數(shù)據(jù) C.服務器將數(shù)據(jù)轉化為比特,以便通過介質(zhì)傳輸 D.服務器向每個數(shù)據(jù)段報頭添加源IP地址和目的IP地址,將數(shù)據(jù)包發(fā)送到目的設備
A.一個 B.兩個 C.三個 D.四個
A.255.255.0.0 B.255.255.255.0 C.255.255.255.192 D.255.255.255.160