您可以在服务器之间拉起 Fibre Channel 电缆和交换机，以模拟坏掉的 FC 电缆；您可以禁用服务器/存储器的某个交换机端口，以模拟交换机失败。
And you can pull a Fibre Channel cable between your servers and switch to simulate a broken FC cable; you can disable one switch port of your server/storage to simulate a switch failure.
耳机接口这种模拟连接原本是20世纪初专为老式电话交换机所设计的。
Thee headphone jack is an analog connection originally designed for old-fashioned telephone switchboards in the early 20th century.
分析了采用输入、输出虚队列的输入缓存式以太网交换机的运行机制，并用计算机仿真的方法对其进行模拟、评价。
The structure and the operation mechanism for the input-buffered Ethernet switch with input and output virtual queues is analyzed. The model is simulated and evaluated by computer simulation.
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