Component failure within the controller in such a way as to leave the output switched on.

控制器内部元件故障，导致输出信号无法关闭。

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Interpret the output of various show and debug commands to verify the operational status of a Cisco switched network.

通过解释各种情况下SHOW和DEBUG命令的输出来确定思科交换网络的工作状态。

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A failed output can be quickly switched to the second output, thereby reducing downtime.

失败的输出可以快速切换到第二个输出，从而减少停机时间。

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