(After everyone has set up a small Internet cafe, in order to make the Internet cafe work properly, network maintenance is very important. Due to the complexity of network protocols and network equipment, many shortcomings are not as simple to manage as single-machine shortcomings. The location and elimination of network shortcomings requires long-term accumulation of knowledge and experience, a series of software and hardware tools, and your ingenuity. Therefore, learning more about the latest knowledge is every)
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