wlgcs考试内容纲要.htm

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  　　　网络拓扑结构<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　OSI/RM<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　应用层协议(FTP、TELNET、SNMP、DHCP、POP、SMTP、HTTP)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　传输层协议(TCP、UDP)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　网络层协议IP(IP地址、子网掩码)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　数据链路层协议(ARP、RARP、PPP、SLIP)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　物理地址<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　3.2 编码和传输<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　3.2.1调制和编码<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　AM、FM、PM、QAM<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　PCM、抽样<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　3.2.2 传输技术<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　通信方式(单工/半双工/全双工、串行/并行、2线/4线)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　差错控制(CRC、海明码、奇偶校验、比特出错率)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　同步控制(起停同步、SYN同步、标志同步、幀同步)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　多路复用(FDM、TDM、WDM)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　压缩和解压缩方法(JEPG、MPEG、MH、MR、MMR、游程长度)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　3.2.3 传输控制<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　竞争系统<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　轮询/选择系统<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　基本规程、多链路规程、传输控制字符、线路控制 <SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　HDLC<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　3.2.4 交换技术(电路交换、储存转发、分组交换、ATM交换、幀中继)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　3.2.5 公用网络和租用线路<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　3.3 网络<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　3.3.1 网络分类<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　按地域范围分类(LAN、MAN、WAN)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　按服务分类(因特网、企业内部网)<SPAN lang=EN-US 
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style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">欢迎访问软件考试网<SPAN 
lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　按传输媒体分类(电话、数据、视像)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　按电信网分类(驻地、接入、骨干)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　3.3.2 LAN<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　LAN拓扑(总线型、星型、令牌总线)<SPAN lang=EN-US 
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lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　访问控制系统(CSMA/CD、令牌环、令牌总线)<SPAN lang=EN-US 
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style="COLOR: white; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.5pt; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">欢迎访问软件考试网<SPAN 
lang=EN-US>www.hbsoft.net)</SPAN></SPAN><br>
  　　　　LAN间的连接、LAN-WAN连接、对等连接、点对点连接<SPAN lang=EN-US 
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