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Computer Network Homework2’s hard question2. What is the signal which is used to modulate the original signal?A. analog signalB. digital signalC. carr... 阅读全文
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Computer Network Homework3’ s hard question1. Which kind of protocol does CSMA belong to?A. Random Access ProtocolB. Take Turns ProtocolC. Centralized... 阅读全文
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全名和例子如下：System Area Network(系统域网)：主机及外设Local Area Network(局域网)：以太网Metropolitan Area Network(城域网):WiMaxWide Area Network(广域网):因特网，X.25来道题：Which network... 阅读全文
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internetwork 表示：互连网络the Internet 表示：因特网 阅读全文
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直连网分为两种，point-to-point link和multiple access link， 如图：对一个网络数直连网个数时，以上两种link都要计算。例子如下：1. How many directly-connected networks are there on the route fro... 阅读全文