LANs can be connected by using bridges, which operate in the(67).

admin2009-02-15  43

问题 LANs can be connected by using bridges, which operate in the(67).

选项 A、data-link layer
B、Physical layer
C、network layer
D、transport layer

答案A

解析 译文:局域网可以使用网桥连接起来,它在数据链路层操作。
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