shù jù liàn lù céng / fù zé / zài / xiāng lín / jié diǎn / zhī jiān / kě kào de / chuán shū / shù jù zhēn

数据链路层负责在相邻节点之间可靠地传输数据帧。

The data link layer is responsible for reliably transmitting data frames between adjacent nodes.