數(shù)據(jù)傳輸器

Hubs and switches operate at the Data Link Layer. 開關運轉樞紐和數(shù)據(jù)鏈路層。

AWACS Thunderhead Locked on! Begin data link! 鎖定跟蹤！開始數(shù)據(jù)轉接！

LAPD is a data link layer protocol based on HDLC. LAPD建基于HDLC之上，也屬于資料鏈結層協(xié)定之一種。

In a network, pertaining to devices, programs, or domains that are connected by a data link or that share common control. 在網(wǎng)絡中，指由數(shù)據(jù)鏈路連接的或共享公共控制的設備、程序或區(qū)域。

Level 2 corresponds to the OSI Layer 2 (Data Link Layer). 第 2 級對應于 OSI 第 2 層(數(shù)據(jù)鏈路層)。