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"use strict";(self.webpackChunkvuepress=self.webpackChunkvuepress||[]).push([[783],{1512:(l,e,a)=>{a.r(e),a.d(e,{data:()=>_});const _={key:"v-077d9751",path:"/computer-networks/",title:"计算机网络 学习笔记",lang:"zh-CN",frontmatter:{sidebarDepth:4},excerpt:"",headers:[{level:2,title:"第一章 概述",slug:"第一章-概述",children:[{level:3,title:"1.1 计算机在信息时代中的作用",slug:"_1-1-计算机在信息时代中的作用",children:[]},{level:3,title:"1.2 互联网概述",slug:"_1-2-互联网概述",children:[{level:4,title:"🌠1.2.1 网络的网络",slug:"🌠1-2-1-网络的网络",children:[]},{level:4,title:"🌠1.2.2 互联网基础结构发展的三个阶段",slug:"🌠1-2-2-互联网基础结构发展的三个阶段",children:[]},{level:4,title:"1.2.3 互联网的标准化工作",slug:"_1-2-3-互联网的标准化工作",children:[]}]},{level:3,title:"🌠1.3互联网的形成",slug:"🌠1-3互联网的形成",children:[{level:4,title:"🌠1.3.1 互联网的边缘部分",slug:"🌠1-3-1-互联网的边缘部分",children:[]},{level:4,title:"🌠1.3.2 互联网的核心部分",slug:"🌠1-3-2-互联网的核心部分",children:[]}]},{level:3,title:"1.4 计算机网络在我国的发展",slug:"_1-4-计算机网络在我国的发展",children:[]},{level:3,title:"1.5 计算机网络的类别",slug:"_1-5-计算机网络的类别",children:[{level:4,title:"1.5.1 计算机网络的定义",slug:"_1-5-1-计算机网络的定义",children:[]},{level:4,title:"🌠1.5.2 几种不同类别的计算机网络",slug:"🌠1-5-2-几种不同类别的计算机网络",children:[]}]},{level:3,title:"1.6 计算机网络的性能⭐",slug:"_1-6-计算机网络的性能⭐",children:[{level:4,title:"1.6.1 计算机网络的性能指标",slug:"_1-6-1-计算机网络的性能指标",children:[]},{level:4,title:"1.6.2 计算机网络的非性能特征",slug:"_1-6-2-计算机网络的非性能特征",children:[]}]},{level:3,title:"1.7 计算机网络体系结构⭐",slug:"_1-7-计算机网络体系结构⭐",children:[{level:4,title:"1.7.1 计算机网络体系结构的组成",slug:"_1-7-1-计算机网络体系结构的组成",children:[]},{level:4,title:"1.7.2 协议与划分层次",slug:"_1-7-2-协议与划分层次",children:[]},{level:4,title:"1.7.3 具有五层协议的",slug:"_1-7-3-具有五层协议的",children:[]},{level:4,title:"1.7.4 实体、协议、服务和服务访问点",slug:"_1-7-4-实体、协议、服务和服务访问点",children:[]},{level:4,title:"1.7.5 TCP/IP的体系结构",slug:"_1-7-5-tcp-ip的体系结构",children:[]}]}]},{level:2,title:"第二章 物理层",slug:"第二章-物理层",children:[{level:3,title:"2.1 物理层的基本概念",slug:"_2-1-物理层的基本概念",children:[]},{level:3,title:"2.2 数据通信的基础知识",slug:"_2-2-数据通信的基础知识",children:[{level:4,title:"2.2.1 数据通信系统的概述",slug:"_2-2-1-数据通信系统的概述",children:[]},{level:4,title:"2.2.2 有关信道的几个基本概念",slug:"_2-2-2-有关信道的几个基本概念",children:[]},{level:4,title:"2.2.3 信道的极限容量",slug:"_2-2-3-信道的极限容量",children:[]}]},{level:3,title:"2.3 物理层下面的传输媒体",slug:"_2-3-物理层下面的传输媒体",children:[{level:4,title:"2.3.1 导引型传输媒体",slug:"_2-3-1-导引型传输媒体",children:[]},{level:4,title:"2.3.2 非导引型传输媒体",slug:"_2-3-2-非导引型传输媒体",children:[]}]},{level:3,title:"2.4 信道复用技术",slug:"_2-4-信道复用技术",children:[{level:4,title:"2.4.1 频分复用、时分复用和统计时分复用",slug:"_2-4-1-频分复用、时分复用和统计时分复用",children:[]},{level:4,title:"2.4.2 波分复用",slug:"_2-4-2-波分复用",children:[]},{level:4,title:"2.4.3 码分复用",slug:"_2-4-3-码分复用",children:[]}]},{level:3,title:"2.5 数字传输系统",slug:"_2-5-数字传输系统",children:[]},{level:3,title:"2.6 宽带接入技术",slug:"_2-6-宽带接入技术",children:[{level:4,title:"2.6.1 ADSL技术",slug:"_2-6-1-adsl技术",children:[]},{level:4,title:"2.6.2 光纤同轴混合网（HFC网）",slug:"_2-6-2-光纤同轴混合网-hfc网",children:[]},{level:4,title:"2.6.3 FTTx技术",slug:"_2-6-3-fttx技术",children:[]}]}]},{level:2,title:"第三章 数据链路层",slug:"第三章-数据链路层",children:[{level:3,title:"3.1 使用点对点信道的数据链路层",slug:"_3-1-使用点对点信道的数据链路层",children:[{level:4,title:"3.1.1 数据链路和帧",slug:"_3-1-1-数据链路和帧",children:[]},{level:4,title:"3.1.2 三个基本问题",slug:"_3-1-2-三个基本问题",children:[]}]},{level:3,title:"3.2 点对点协议PPP",slug:"_3-2-点对点协议ppp",children:[{level:4,title:"3.2.1 PPP协议的特点",slug:"_3-2-1-ppp协议的特点",children:[]},{level:4,title:"3.2.2 PPP协议的帧格式",slug:"_3-2-2-ppp协议的帧格式",children:[]},{level:4,title:"3.2.3 PPP协议的工作状态",slug:"_3-2-3-ppp协议的工作状态",children:[]}]},{level:3,title:"3.3 使用广播信道的数据链路层",slug:"_3-3-使用广播信道的数据链路层",children:[{level:4,title:"3.3.1 局域网的数据链路层",slug:"_3-3-1-局域网的数据链路层",children:[]},{level:4,title:"3.3.2 CSMA/CD协议",slug:"_3-3-2-csma-cd协议",children:[]},{level:4,title:"3.3.3 使用集线器的星型拓扑",slug:"_3-3-3-使用集线器的星型拓扑",children:[]},{level:4,title:"3.3.4 以太网的信道利用率",slug:"_3-3-4-以太网的信道利用率",children:[]},{level:4,title:"3.3.5 以太网的MAC层",slug:"_3-3-5-以太网的mac层",children:[]}]},{level:3,title:"3.4 扩展的以太网",slug:"_3-4-扩展的以太网",children:[{level:4,title:"3.4.1 在物理层扩展以太网",slug:"_3-4-1-在物理层扩展以太网",children:[]},{level:4,title:"3.4.2 在数据链路层扩展以太网",slug:"_3-4-2-在数据链路层扩展以太网",children:[]},{level:4,title:"3.4.3 虚拟局域网",slug:"_3-4-3-虚拟局域网",children:[]}]},{level:3,title:"3.5 高速以太网",slug:"_3-5-高速以太网",children:[{level:4,title:"3.5.1 100BASE-T以太网",slug:"_3-5-1-100base-t以太网",children:[]},{level:4,title:"3.5.2 吉比特以太网",slug:"_3-5-2-吉比特以太网",children:[]},{level:4,title:"3.5.3 10吉比特以太网(10GE)和更快的以太网",slug:"_3-5-3-10吉比特以太网-10ge-和更快的以太网",children:[]},{level:4,title:"3.5.4 使用以太网进行宽带接入",slug:"_3-5-4-使用以太网进行宽带接入",children:[]}]}]},{level:2,title:"第四章 网络层",slug:"第四章-网络层",children:[{level:3,title:"4.1 网络层提供的两种服务",slug:"_4-1-网络层提供的两种服务",children:[]},{level:3,title:"4.2 网际协议IP",slug:"_4-2-网际协议ip",children:[{level:4,title:"4.2.1 虚拟互连网络",slug:"_4-2-1-虚拟互连网络",children:[]},{level:4,title:"4.2.2 分类的IP地址",slug:"_4-2-2-分类的ip地址",children:[]},{level:4,title:"4.2.3 IP地址与硬件地址",slug:"_4-2-3-ip地址与硬件地址",children:[]},{level:4,title:"4.2.4 地址解析协议ARP",slug:"_4-2-4-地址解析协议arp",children:[]},{level:4,title:"4.2.5 IP数据报的格式",slug:"_4-2-5-ip数据报的格式",children:[]},{level:4,title:"4.2.6 IP层转发分组的流程",slug:"_4-2-6-ip层转发分组的流程",children:[]}]},{level:3,title:"4.3 划分子网和构造子网",slug:"_4-3-划分子网和构造子网",children:[{level:4,title:"4.3.1 划分子网",slug:"_4-3-1-划分子网",children:[]},{level:4,title:"4.3.2 使用子网时分组的转发",slug:"_4-3-2-使用子网时分组的转发",children:[]},{level:4,title:"4.3.3 无分类编址CIDR（构造超网）",slug:"_4-3-3-无分类编址cidr-构造超网",children:[]}]},{level:3,title:"4.4 网际控制报文协议ICMP",slug:"_4-4-网际控制报文协议icmp",children:[{level:4,title:"4.4.1 ICMP报文的种类",slug:"_4-4-1-icmp报文的种类",children:[]},{level:4,title:"4.4.2 ICMP的应用举例",slug:"_4-4-2-icmp的应用举例",children:[]}]},{level:3,title:"4.5 互联网的路由选择协议",slug:"_4-5-互联网的路由选择协议",children:[{level:4,title:"4.5.1 有关路由选择协议的几个基本概念",slug:"_4-5-1-有关路由选择协议的几个基本概念",children:[]},{level:4,title:"4.5.2 内部网关协议RIP",slug:"_4-5-2-内部网关协议rip",children:[]},{level:4,title:"4.5.3 内部网关协议OSPF",slug:"_4-5-3-内部网关协议ospf",children:[]},{level:4,title:"4.5.4 外部网关协议BGP",slug:"_4-5-4-外部网关协议bgp",children:[]},{level:4,title:"4.5.5 路由器的构成",slug:"_4-5-5-路由器的构成",children:[]}]},{level:3,title:"4.6 IPv6",slug:"_4-6-ipv6",children:[{level:4,title:"4.6.1 IPv6的基本首部",slug:"_4-6-1-ipv6的基本首部",children:[]},{level:4,title:"4.6.2 IPv6的地址",slug:"_4-6-2-ipv6的地址",children:[]},{level:4,title:"4.6.3 从IPv4向IPv6过渡",slug:"_4-6-3-从ipv4向ipv6过渡",children:[]},{level:4,title:"4.6.4 ICMPv6",slug:"_4-6-4-icmpv6",children:[]}]},{level:3,title:"4.7 IP多播 ✘",slug:"_4-7-ip多播-✘",children:[{level:4,title:"4.7.1 IP多播的基本概念",slug:"_4-7-1-ip多播的基本概念",children:[]},{level:4,title:"4.7.2 在局域网上进行硬件多播",slug:"_4-7-2-在局域网上进行硬件多播",children:[]},{level:4,title:"4.7.3 网际组管理协议IGMP和多播路由选择协议",slug:"_4-7-3-网际组管理协议igmp和多播路由选择协议",children:[]}]},{level:3,title:"4.8 虚拟局域网VPN和网络地址转换NAT",slug:"_4-8-虚拟局域网vpn和网络地址转换nat",children:[{level:4,title:"4.8.1 虚拟局域网VPN",slug:"_4-8-1-虚拟局域网vpn",children:[]},{level:4,title:"4.8.2 网络地址转换NAT",slug:"_4-8-2-网络地址转换nat",children:[]}]},{level:3,title:"4.9 多协议交换MPLS ✘",slug:"_4-9-多协议交换mpls-✘",children:[{level:4,title:"4.9.1 MPLS的工作原理",slug:"_4-9-1-mpls的工作原理",children:[]},{level:4,title:"4.9.2 MPLS首部的位置与格式",slug:"_4-9-2-mpls首部的位置与格式",children:[]}]}]},{level:2,title:"第五章 运输层",slug:"第五章-运输层",children:[{level:3,title:"5.1 运输层协议概述",slug:"_5-1-运输层协议概述",children:[{level:4,title:"5.1.1 进程之间的通信",slug:"_5-1-1-进程之间的通信",children:[]},{level:4,title:"5.1.2 运输层的两个主要协议",slug:"_5-1-2-运输层的两个主要协议",children:[]},{level:4,title:"5.1.3 运输层的端口",slug:"_5-1-3-运输层的端口",children:[]}]},{level:3,title:"5.2 用户数据报协议UDP",slug:"_5-2-用户数据报协议udp",children:[{level:4,title:"5.2.1 UDP概述",slug:"_5-2-1-udp概述",children:[]},{level:4,title:"5.2.2 UDP的首部格式",slug:"_5-2-2-udp的首部格式",children:[]}]},{level:3,title:"5.3 传输控制协议TCP概述",slug:"_5-3-传输控制协议tcp概述",children:[{level:4,title:"5.3.1 TCP最主要的特点",slug:"_5-3-1-tcp最主要的特点",children:[]},{level:4,title:"5.3.2 TCP的连接",slug:"_5-3-2-tcp的连接",children:[]}]},{level:3,title:"5.4 可靠传输的工作原理",slug:"_5-4-可靠传输的工作原理",children:[{level:4,title:"5.4.1 停止等待协议",slug:"_5-4-1-停止等待协议",children:[]},{level:4,title:"5.4.2 连续ARQ协议",slug:"_5-4-2-连续arq协议",children:[]}]},{level:3,title:"5.5 TCP报文段的首部格式",slug:"_5-5-tcp报文段的首部格式",children:[]},{level:3,title:"5.6 TCP可靠传输的实现",slug:"_5-6-tcp可靠传输的实现",children:[{level:4,title:"5.6.1 以字节为单位的滑动窗口",slug:"_5-6-1-以字节为单位的滑动窗口",children:[]},{level:4,title:"5.6.2 超时重传时间的选择",slug:"_5-6-2-超时重传时间的选择",children:[]},{level:4,title:"5.6.3 选择确认SACK",slug:"_5-6-3-选择确认sack",children:[]}]},{level:3,title:"5.7 TCP的流量控制",slug:"_5-7-tcp的流量控制",children:[{level:4,title:"5.7.1 利用滑动窗口实现流量控制",slug:"_5-7-1-利用滑动窗口实现流量控制",children:[]},{level:4,title:"5.7.2 TCP的传输效率",slug:"_5-7-2-tcp的传输效率",children:[]}]},{level:3,title:"5.8 TCP的拥塞机制",slug:"_5-8-tcp的拥塞机制",children:[{level:4,title:"5.8.1 拥塞机制的一般原理",slug:"_5-8-1-拥塞机制的一般原理",children:[]},{level:4,title:"5.8.2 TCP的拥塞控制办法",slug:"_5-8-2-tcp的拥塞控制办法",children:[]},{level:4,title:"5.8.3 主动队列管理AQM",slug:"_5-8-3-主动队列管理aqm",children:[]}]},{level:3,title:"5.9 TCP的运输连接管理",slug:"_5-9-tcp的运输连接管理",children:[{level:4,title:"5.9.1 TCP连接的建立",slug:"_5-9-1-tcp连接的建立",children:[]},{level:4,title:"5.9.2 TCP连接释放",slug:"_5-9-2-tcp连接释放",children:[]},{level:4,title:"5.9.3 TCP的有限状态机",slug:"_5-9-3-tcp的有限状态机",children:[]}]}]},{level:2,title:"第六章 应用层",slug:"第六章-应用层",children:[{level:3,title:"6.1 域名系统DNS",slug:"_6-1-域名系统dns",children:[{level:4,title:"6.1.1 域名系统概述",slug:"_6-1-1-域名系统概述",children:[]},{level:4,title:"6.1.2 互联网的域名系统",slug:"_6-1-2-互联网的域名系统",children:[]},{level:4,title:"6.1.3 域名服务器",slug:"_6-1-3-域名服务器",children:[]}]},{level:3,title:"6.2 文件传送协议",slug:"_6-2-文件传送协议",children:[{level:4,title:"6.2.1 FTP概述",slug:"_6-2-1-ftp概述",children:[]},{level:4,title:"6.2.2 FTP的基本工作原理",slug:"_6-2-2-ftp的基本工作原理",children:[]},{level:4,title:"6.2.3 简单文件传送协议TFTP",slug:"_6-2-3-简单文件传送协议tftp",children:[]}]},{level:3,title:"6.3 远程终端协议TELNET",slug:"_6-3-远程终端协议telnet",children:[]},{level:3,title:"6.4 万维网WWW",slug:"_6-4-万维网www",children:[{level:4,title:"6.4.1 万维网概述",slug:"_6-4-1-万维网概述",children:[]},{level:4,title:"6.4.2 统一资源定位符URL",slug:"_6-4-2-统一资源定位符url",children:[]},{level:4,title:"6.4.3 超文本传送协议HTTP",slug:"_6-4-3-超文本传送协议http",children:[]},{level:4,title:"6.4.4 万维网的文档",slug:"_6-4-4-万维网的文档",children:[]},{level:4,title:"6.4.5 万维网的信息检索系统",slug:"_6-4-5-万维网的信息检索系统",children:[]},{level:4,title:"6.4.6 博客和微博",slug:"_6-4-6-博客和微博",children:[]},{level:4,title:"6.4.7 社交网站",slug:"_6-4-7-社交网站",children:[]}]},{level:3,title:"6.5 电子邮件",slug:"_6-5-电子邮件",children:[{level:4,title:"6.5.1",slug:"_6-5-1",children:[]},{level:4,title:"6.5.2",slug:"_6-5-2",children:[]},{level:4,title:"6.5.3",slug:"_6-5-3",children:[]},{level:4,title:"6.5.4",slug:"_6-5-4",children:[]},{level:4,title:"6.5.5",slug:"_6-5-5",children:[]},{level:4,title:"6.5.6",slug:"_6-5-6",children:[]}]},{level:3,title:"6.6 动态主机配置协议DHCP",slug:"_6-6-动态主机配置协议dhcp",children:[]},{level:3,title:"6.7 简单网络管理协议SNMP",slug:"_6-7-简单网络管理协议snmp",children:[{level:4,title:"6.7.1",slug:"_6-7-1",children:[]},{level:4,title:"6.7.2",slug:"_6-7-2",children:[]},{level:4,title:"6.7.3",slug:"_6-7-3",children:[]},{level:4,title:"6.7.4",slug:"_6-7-4",children:[]}]},{level:3,title:"6.8 应用进程跨越网络的通信",slug:"_6-8-应用进程跨越网络的通信",children:[{level:4,title:"6.8.1",slug:"_6-8-1",children:[]},{level:4,title:"6.8.2",slug:"_6-8-2",children:[]}]},{level:3,title:"6.9 P2P应用",slug:"_6-9-p2p应用",children:[{level:4,title:"6.9.1",slug:"_6-9-1",children:[]},{level:4,title:"6.9.2",slug:"_6-9-2",children:[]},{level:4,title:"6.9.3",slug:"_6-9-3",children:[]},{level:4,title:"6.9.4",slug:"_6-9-4",children:[]}]}]},{level:2,title:"第七章 网络安全 ✘",slug:"第七章-网络安全-✘",children:[{level:3,title:"7.1",slug:"_7-1",children:[{level:4,title:"7.1.1",slug:"_7-1-1",children:[]},{level:4,title:"7.1.2",slug:"_7-1-2",children:[]},{level:4,title:"7.1.3",slug:"_7-1-3",children:[]}]},{level:3,title:"7.2",slug:"_7-2",children:[{level:4,title:"7.2.1",slug:"_7-2-1",children:[]},{level:4,title:"7.2.2",slug:"_7-2-2",children:[]}]},{level:3,title:"7.3",slug:"_7-3",children:[]},{level:3,title:"7.4",slug:"_7-4",children:[{level:4,title:"7.4.1",slug:"_7-4-1",children:[]},{level:4,title:"7.4.2",slug:"_7-4-2",children:[]}]},{level:3,title:"7.5",slug:"_7-5",children:[{level:4,title:"7.5.1",slug:"_7-5-1",children:[]},{level:4,title:"7.5.2",slug:"_7-5-2",children:[]}]},{level:3,title:"7.6",slug:"_7-6",children:[{level:4,title:"7.6.1",slug:"_7-6-1",children:[]},{level:4,title:"7.6.2",slug:"_7-6-2",children:[]},{level:4,title:"7.6.3",slug:"_7-6-3",children:[]},{level:4,title:"7.7",slug:"_7-7",children:[]},{level:4,title:"7.7.1",slug:"_7-7-1",children:[]},{level:4,title:"7.7.2",slug:"_7-7-2",children:[]}]},{level:3,title:"7.8",slug:"_7-8",children:[]}]},{level:2,title:"第八章 互联网上的音频/视频服务 ✘",slug:"第八章-互联网上的音频-视频服务-✘",children:[{level:3,title:"8.1",slug:"_8-1",children:[]},{level:3,title:"8.2",slug:"_8-2",children:[{level:4,title:"8.2.1",slug:"_8-2-1",children:[]},{level:4,title:"8.2.2",slug:"_8-2-2",children:[]},{level:4,title:"8.2.3",slug:"_8-2-3",children:[]}]},{level:3,title:"8.3",slug:"_8-3",children:[{level:4,title:"8.3.1",slug:"_8-3-1",children:[]},{level:4,title:"8.3.2",slug:"_8-3-2",children:[]},{level:4,title:"8.3.3",slug:"_8-3-3",children:[]},{level:4,title:"8.3.4",slug:"_8-3-4",children:[]},{level:4,title:"8.3.5",slug:"_8-3-5",children:[]},{level:4,title:"8.3.6",slug:"_8-3-6",children:[]}]},{level:3,title:"8.4",slug:"_8-4",children:[{level:4,title:"8.4.1",slug:"_8-4-1",children:[]},{level:4,title:"8.4.2",slug:"_8-4-2",children:[]},{level:4,title:"8.4.3",slug:"_8-4-3",children:[]},{level:4,title:"8.4.4",slug:"_8-4-4",children:[]}]}]},{level:2,title:"第九章 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Zhang",email:"2291200076@qq.com",commits:2}]}}},6440:(l,e,a)=>{a.r(e),a.d(e,{default:()=>gh});var _=a(6252),t=a(1670),i=a(7719),d=a(9042),r=a(4252),n=a(4696),h=a(4513),u=a(5810),s=a(6317);const c=(0,_._)("h1",{id:"计算机网络-学习笔记",tabindex:"-1"},[(0,_._)("a",{class:"header-anchor",href:"#计算机网络-学习笔记","aria-hidden":"true"},"#"),(0,_.Uk)(" 计算机网络 学习笔记")],-1),o=(0,_._)("blockquote",null,[(0,_._)("p",null,"参考书籍：计算机网络 第7版 谢希仁")],-1),k=(0,_._)("p",null,"📔📕📖📗📘📙📚📓📒★⭐🌟🌠",-1),U=(0,_.Uk)("回到正在整理的地方"),f={class:"custom-container details"},p=(0,_._)("summary",null,[(0,_._)("b",null,"目录"),(0,_.Uk)("（点击展开）")],-1),g={class:"table-of-contents"},m=(0,_.Uk)("第一章 概述"),b=(0,_.Uk)("1.1 计算机在信息时代中的作用"),x=(0,_.Uk)("1.2 互联网概述"),v=(0,_.Uk)("🌠1.2.1 网络的网络"),w=(0,_.Uk)("🌠1.2.2 互联网基础结构发展的三个阶段"),W=(0,_.Uk)("1.2.3 互联网的标准化工作"),P=(0,_.Uk)("🌠1.3互联网的形成"),T=(0,_.Uk)("🌠1.3.1 互联网的边缘部分"),C=(0,_.Uk)("🌠1.3.2 互联网的核心部分"),I=(0,_.Uk)("1.4 计算机网络在我国的发展"),A=(0,_.Uk)("1.5 计算机网络的类别"),N=(0,_.Uk)("1.5.1 计算机网络的定义"),M=(0,_.Uk)("🌠1.5.2 几种不同类别的计算机网络"),y=(0,_.Uk)("1.6 计算机网络的性能⭐"),E=(0,_.Uk)("1.6.1 计算机网络的性能指标"),S=(0,_.Uk)("1.6.2 计算机网络的非性能特征"),D=(0,_.Uk)("1.7 计算机网络体系结构⭐"),F=(0,_.Uk)("1.7.1 计算机网络体系结构的组成"),L=(0,_.Uk)("1.7.2 协议与划分层次"),R=(0,_.Uk)("1.7.3 具有五层协议的"),B=(0,_.Uk)("1.7.4 实体、协议、服务和服务访问点"),q=(0,_.Uk)("1.7.5 TCP/IP的体系结构"),G=(0,_.Uk)("第二章 物理层"),H=(0,_.Uk)("2.1 物理层的基本概念"),Q=(0,_.Uk)("2.2 数据通信的基础知识"),V=(0,_.Uk)("2.2.1 数据通信系统的概述"),Z=(0,_.Uk)("2.2.2 有关信道的几个基本概念"),O=(0,_.Uk)("2.2.3 信道的极限容量"),K=(0,_.Uk)("2.3 物理层下面的传输媒体"),Y=(0,_.Uk)("2.3.1 导引型传输媒体"),X=(0,_.Uk)("2.3.2 非导引型传输媒体"),z=(0,_.Uk)("2.4 信道复用技术"),j=(0,_.Uk)("2.4.1 频分复用、时分复用和统计时分复用"),J=(0,_.Uk)("2.4.2 波分复用"),$=(0,_.Uk)("2.4.3 码分复用"),ll=(0,_.Uk)("2.5 数字传输系统"),el=(0,_.Uk)("2.6 宽带接入技术"),al=(0,_.Uk)("2.6.1 ADSL技术"),_l=(0,_.Uk)("2.6.2 光纤同轴混合网（HFC网）"),tl=(0,_.Uk)("2.6.3 FTTx技术"),il=(0,_.Uk)("第三章 数据链路层"),dl=(0,_.Uk)("3.1 使用点对点信道的数据链路层"),rl=(0,_.Uk)("3.1.1 数据链路和帧"),nl=(0,_.Uk)("3.1.2 三个基本问题"),hl=(0,_.Uk)("3.2 点对点协议PPP"),ul=(0,_.Uk)("3.2.1 PPP协议的特点"),sl=(0,_.Uk)("3.2.2 PPP协议的帧格式"),cl=(0,_.Uk)("3.2.3 PPP协议的工作状态"),ol=(0,_.Uk)("3.3 使用广播信道的数据链路层"),kl=(0,_.Uk)("3.3.1 局域网的数据链路层"),Ul=(0,_.Uk)("3.3.2 CSMA/CD协议"),fl=(0,_.Uk)("3.3.3 使用集线器的星型拓扑"),pl=(0,_.Uk)("3.3.4 以太网的信道利用率"),gl=(0,_.Uk)("3.3.5 以太网的MAC层"),ml=(0,_.Uk)("3.4 扩展的以太网"),bl=(0,_.Uk)("3.4.1 在物理层扩展以太网"),xl=(0,_.Uk)("3.4.2 在数据链路层扩展以太网"),vl=(0,_.Uk)("3.4.3 虚拟局域网"),wl=(0,_.Uk)("3.5 高速以太网"),Wl=(0,_.Uk)("3.5.1 100BASE-T以太网"),Pl=(0,_.Uk)("3.5.2 吉比特以太网"),Tl=(0,_.Uk)("3.5.3 10吉比特以太网(10GE)和更快的以太网"),Cl=(0,_.Uk)("3.5.4 使用以太网进行宽带接入"),Il=(0,_.Uk)("第四章 网络层"),Al=(0,_.Uk)("4.1 网络层提供的两种服务"),Nl=(0,_.Uk)("4.2 网际协议IP"),Ml=(0,_.Uk)("4.2.1 虚拟互连网络"),yl=(0,_.Uk)("4.2.2 分类的IP地址"),El=(0,_.Uk)("4.2.3 IP地址与硬件地址"),Sl=(0,_.Uk)("4.2.4 地址解析协议ARP"),Dl=(0,_.Uk)("4.2.5 IP数据报的格式"),Fl=(0,_.Uk)("4.2.6 IP层转发分组的流程"),Ll=(0,_.Uk)("4.3 划分子网和构造子网"),Rl=(0,_.Uk)("4.3.1 划分子网"),Bl=(0,_.Uk)("4.3.2 使用子网时分组的转发"),ql=(0,_.Uk)("4.3.3 无分类编址CIDR（构造超网）"),Gl=(0,_.Uk)("4.4 网际控制报文协议ICMP"),Hl=(0,_.Uk)("4.4.1 ICMP报文的种类"),Ql=(0,_.Uk)("4.4.2 ICMP的应用举例"),Vl=(0,_.Uk)("4.5 互联网的路由选择协议"),Zl=(0,_.Uk)("4.5.1 有关路由选择协议的几个基本概念"),Ol=(0,_.Uk)("4.5.2 内部网关协议RIP"),Kl=(0,_.Uk)("4.5.3 内部网关协议OSPF"),Yl=(0,_.Uk)("4.5.4 外部网关协议BGP"),Xl=(0,_.Uk)("4.5.5 路由器的构成"),zl=(0,_.Uk)("4.6 IPv6"),jl=(0,_.Uk)("4.6.1 IPv6的基本首部"),Jl=(0,_.Uk)("4.6.2 IPv6的地址"),$l=(0,_.Uk)("4.6.3 从IPv4向IPv6过渡"),le=(0,_.Uk)("4.6.4 ICMPv6"),ee=(0,_.Uk)("4.7 IP多播 ✘"),ae=(0,_.Uk)("4.7.1 IP多播的基本概念"),_e=(0,_.Uk)("4.7.2 在局域网上进行硬件多播"),te=(0,_.Uk)("4.7.3 网际组管理协议IGMP和多播路由选择协议"),ie=(0,_.Uk)("4.8 虚拟局域网VPN和网络地址转换NAT"),de=(0,_.Uk)("4.8.1 虚拟局域网VPN"),re=(0,_.Uk)("4.8.2 网络地址转换NAT"),ne=(0,_.Uk)("4.9 多协议交换MPLS ✘"),he=(0,_.Uk)("4.9.1 MPLS的工作原理"),ue=(0,_.Uk)("4.9.2 MPLS首部的位置与格式"),se=(0,_.Uk)("第五章 运输层"),ce=(0,_.Uk)("5.1 运输层协议概述"),oe=(0,_.Uk)("5.1.1 进程之间的通信"),ke=(0,_.Uk)("5.1.2 运输层的两个主要协议"),Ue=(0,_.Uk)("5.1.3 运输层的端口"),fe=(0,_.Uk)("5.2 用户数据报协议UDP"),pe=(0,_.Uk)("5.2.1 UDP概述"),ge=(0,_.Uk)("5.2.2 UDP的首部格式"),me=(0,_.Uk)("5.3 传输控制协议TCP概述"),be=(0,_.Uk)("5.3.1 TCP最主要的特点"),xe=(0,_.Uk)("5.3.2 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