LAN and its common equipment LAN design goals: running in a limited geographic area allows simultaneous access to high-bandwidth media through local management to control the private rights of the network to provide full-time local services to connect physically adjacent devices The design goal of the LAN mainly faces a limited geographical area, which allows simultaneous access to high-bandwidth media.
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The LAN mainly controls the private rights of the network through local management and provides full-time local services. The connected physical devices are generally in a relatively close environment.
The transmission form of LAN is generally dominated by bus type. The most common Ethernet uses carrier-sensing and collision detection CSMA / CD protocol to support bus-type structure.
