The network layer has the task of moving the data through the internetwork. 網(wǎng)路層的任務(wù)在互連網(wǎng)路間移動(dòng)資料。
The data link layer builds a frame around the network layer data so the necessary checks and controls can be applied. 資料鏈結層在網(wǎng)路層資料之外建立一個(gè)訊框，如此一來(lái)必要的檢查和控制才能被套用。
Routers operate at the Network Layer. 路由器運行在網(wǎng)絡(luò )層。
The IP layer supplies a checksum that includes its own header. 網(wǎng)絡(luò )層提供包含自身報頭的檢查和。
