| 单词 | layer 2 |
| 释义 | layer 2layer 2layer 2In networking, the communications protocol that contains the physical address of a client or server station. It is called the "data link layer" or "MAC layer" and contains the address inspected by a bridge or switch. Layer 2 processing is faster than layer 3 processing, because less analysis of the packet is required. See MAC layer and OSI model. |
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