OSI七层
<?xml:namespace prefix = p ns = "urn:schemas-microsoft-com:office:powerpoint" /><p:colorscheme colors="#ffffff,#000000,#000000,#000000,#008aae,#cf0e30,#ff3300,#ffe59b"></p:colorscheme> <div style="tab-interval: .8333in" class="O" v:shape="_x0000_s1026">
<div><span style="FONT-FAMILY: 楷体; FONT-SIZE: 20pt; mso-ascii-font-family: 楷体; mso-fareast-font-family: 楷体; mso-hansi-font-family: 'Times New="New"Roman'; mso-fareast-language: ZH-CN" lang="EN-US"><b>OSI参考模型从上到下共分为七层, 最上层为用户面对的应用层 </b></span></div>
<div><span style="FONT-FAMILY: 楷体; FONT-SIZE: 20pt; mso-ascii-font-family: 楷体; mso-fareast-font-family: 楷体; mso-hansi-font-family: 'Times New="New"Roman'"><b>任何一次两个用户之间的通信都需要经过这七层的数据转换</b></span></div>
<div><span style="FONT-FAMILY: 楷体; FONT-SIZE: 20pt; mso-ascii-font-family: 楷体; mso-fareast-font-family: 楷体; mso-hansi-font-family: 'Times New="New"Roman'"><strong><img src="C:\Users\Administrator\Desktop\未命名.jpg"/></strong></span></div>
<div><span style="FONT-FAMILY: 楷体; FONT-SIZE: 20pt; mso-ascii-font-family: 楷体; mso-fareast-font-family: 楷体; mso-hansi-font-family: 'Times New="New"Roman'"><strong></strong></span> </div></div>
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