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工作学习 / IT杂谈 / 诚心请教： HUB, SWTICH, ROUTER and MODEM 之间的区别。 请高手回答。 多谢。
-tiantiantianlan(no);
2005-4-15
(#2242822@0)
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Hub说白了就是几根线，Switch 连接同协议的信号，工作在第二层；router可以连接不同协议的信号，做协议/速率转换，工作在第三层；modem 着模数转换，工作在第一层。
-canadiantire(轮胎-M.I.N.K.);
2005-4-15
(#2242860@0)
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Thanks for the reply. I still can't get it. Would you please explain a little more. Please check your PM.
-tiantiantianlan(no);
2005-4-19
(#2249351@0)
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您能说说，IP address 的分类, subnet mask and subnet address？ 我看了很多材料都还是不明白。谢谢。 都说IP address, 象Postal address,router 如何发配呢？
-xdyun999(NorthEastTiger);
2005-4-19
(#2249603@0)
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if you can download the cisco academy CCNA course, you will understand very well this stuff. it is too long to explain in this forum.
-redspider(红蜘蛛);
2005-4-19
(#2249913@0)
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where to download it? thank you
-xdyun999(NorthEastTiger);
2005-4-20
(#2251588@0)
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看来你对TCP/IP一点都不懂啊。可以看看cisco的，或者microsoft的network 方面的入门课程。你问的都是最基本的概念。
-johnnyhatesjazz(Rock and Roll);
2005-4-20
(#2251619@0)
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MODEM不只是做模数转换.HUB虽然象是几条线,其实还要复杂一些.我只是挑刺而已,估计你也懂,只是写这些东西对你来说是大才小用,所以就写得简单了一些.
-pleased(please);
2005-4-25
(#2260018@0)
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我的理解
-fall_leaf(一叶知秋);
2005-4-21
{1088}
(#2252584@0)
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switch是立交桥。不同相／不顺路的车之间没有竞争。之所以叫交换机，跟电话交换机一样。switch的’电话号码‘是网卡的MAC地址。
-647i(倒行逆施);
2005-4-22
(#2254114@0)