| 作者 |
| [美]Wendell Odom |
| 丛书名 |
| CCNA |
| 出版社 |
| 人民邮电出版社 |
| ISBN |
| 9787115474827 |
| 简要 |
| 简介 |
| 内容简介书籍计算机书籍 《CCENT/CCNA ICND1（100-105）认证考试指南（第5版）》是一本优秀的Cisco认证考试指南，专门针对CCENT和CCNA ICND1考试内容而编写。《CCENT/CCNA ICND1（100-105）认证考试指南（第5版）》对上一版进行了完全更新，为读者提供了全面的复习指导，以及更富于挑战、更接近实战的备考体验。 《CCENT/CCNA ICND1（100-105）认证考试指南（第5版）》作者是一位资shen讲师和畅销书作者。他在本书中与读者分享了备考注意事项以及考试技巧，这些内容可以帮助读者确定自己薄弱的知识环节，并使自己的概念知识和实践技能同时得以提升。本书简明扼要，着重提高读者对考试主题的理解并使读者对考试中的挑战有所准备，并通过一系列得到验证的单元和方法为读者呈现了一个精心组织的考试准备。 《CCENT/CCNA ICND1（100-105）认证考试指南（第5版）》附带光盘中提供了一个功能强大的测试引擎，读者可以针对特定主题进行测试，也可以进行完整的计时测试。评估引擎还可以跟踪读者的学习状况，提供对每个考试主题的反馈情况，指出需要进一步复习的内容。 《CCENT/CCNA ICND1（100-105）认证考试指南（第5版）》提供了评估途径和充满挑战性的练习题，有助于读者掌握必要的概念和技术，顺利通过CCNA考试。 |
| 目录 |
| 第 1 部分 网络基础 第 1 章 TCP/IP 网络简介 ·························3 “我已经知道了吗？”小测验 ······················3 基础内容 ···························4 有关网络的观点 ·····················4 TCP/IP 网络模型 ····························5 TCP/IP 之前的历史 ····················6 TCP/IP 网络模型概述 ·····················7 TCP/IP 应用层 ·························7 TCP/IP 传输层 ····································9 TCP/IP 网络层 ·········································10 TCP/IP 链路层（数据链路层和物理层） ·····13 TCP/IP 模型和术语 ··································14 OSI 网络模型 ··················································15 比较 OSI 和 TCP/IP ·································16 参照 OSI 各层描述协议 ···························16 OSI 各层及其功能 ···································16 OSI 分层概念及其优点 ····························17 OSI 封装术语 ···········································18 本章回顾 ·························································18 复习所有考试要点 ···········································19 您应该知道的关键术语 ························19 第 2 章 以太网 LAN 基础 ·······················21 “我已经知道了吗？”小测验 ·····················21 基础内容 ·························································22 以太网 LAN 概述 ·············································22 典型的 SOHO 局域网 ······························22 典型的企业 LAN ·····································23 以太网物理层标准的类型 ························24 使用以太网数据链路层的所有链路行为一致 ··································25 使用 UTP 构建物理以太网网络 ······················26 使用 UTP 发送数据 ·································26 分解 UTP 以太网链路 ······························26 用于 10BASE-T 和 100BASE-T 的 UTP布线引脚输出 ··············································28 1000BASE-T 的 UTP 电缆引脚分配 ·········31 在以太网网络中发送数据 ································31 以太网数据链路层协议 ···························31 使用交换机和集线器发送以太网帧 ·········34 本章回顾 ·························································36 复习所有考试要点 ···········································37 您应该知道的关键术语 ·······················37 第 3 章 WAN 基础 ··························39 “我已经知道了吗？”小测验 ··························39 基础内容 ···············40 租用线路 WAN ······························40 根据 LAN 的规模和路由器的数量来安置租用线路 ·········40 租用线路的物理细节 ·························41 租用线路的数据链路详解 ························44 作为 WAN 技术的以太网 ······················46 创建D二层服务的以太网 WAN···············46 路由器如何使用以太网仿真路由 IP 数据包 ·····················································47 接入互联网······························48 互联网jiu是一个大型的广域网 ················48 互联网接入（广域网）链路 ····················49 数字用户线路 ··········································50 有线互联网 ···························51 本章回顾 ·················52 复习所有考试要点 ···········································52 您应该知道的关键术语 ···································52 第 4 章 IPv4 寻址和路由选择基础 ·········55 “我已经知道了吗？”小测验 ··························55 基础内容 ·························································56 网络层功能概述 ··············································56 网络层的路由选择（转发）逻辑 ·············57 网络层是如何通过 LAN 和 WAN 选择路由的 ·····················································58 IP 寻址和寻址如何帮助 IP 选择路由 ·······59 路由选择协议 ··········································60 IPv4 寻址 ························································60 IP 寻址的规则 ··········································61 IP 地址分组原理 ··················61 IP 子网划分 ·············································65 IPv4 路由选择 ·················································66 IPv4 主机路由选择 ··································66 路由器转发决策和 IP 路由表 ···················67 IPv4 路由选择协议 ··········································68 其他网络层的功能 ···········································70 使用名称和域名系统 ·······························70 地址解析协议 ··········································71 ICMP 响应和 ping 命令 ····························72 本章回顾 ·························································72 复习所有考试要点 ···········································73 您应该知道的关键术语 ·····················73 第 5 章 TCP/IP 传输层和应用层基础 ·····75 “我已经知道了吗？”小测验 ··························75 基础内容 ·························································76 TCP/IP 第 4 层协议：TCP 和 UDP ·················76 传输控制协议 ··········································77 用户数据报协议 ··························83 TCP/IP 应用层 ····························84 统一资源定位符 ······································84 使用 DNS 发现 Web 服务器 ·····················85 使用 HTTP 传送文件 ····················86 接收主机如何确认正确的接收应用程序 ·············87 本章回顾 ·······················88 复习所有考试要点 ······················88 您应该知道的关键术语 ················88 第 1 部分回顾 ······························90 第 2 部分 实施基本以太网 LAN 第 6 章 使用命令行界面 ·························95 “我已经知道了吗？”小测验 ···················95 基础内容 ······················96 访问思科 Catalyst 2960 交换机 CLI ···············96 思科 Catalyst 交换机 ······················96 访问思科 IOS CLI ···························97 CLI 帮助功能 ·····························102 debug 和 show 命令 ························103 配置思科 IOS 软件 ······················104 配置子模式和情景 ·························105 存储交换机配置文件 ····················106 复制和清除配置文件 ···················108 本章回顾 ·················108 复习所有考试要点 ·····················109 您应该知道的关键术语 ·······················109 命令参考 ·····························109 第 7 章 分析以太网 LAN 交换 ···············113 “我已经知道了吗？”小测验 ···············113 基础内容 ···························114 LAN 交换概念 ·······························114 交换逻辑概述 ········································115 转发已知的单播帧 ························116 获知 MAC 地址 ·························118 泛洪未知单播帧和广播帧 ······················118 使用生成树协议避免环路 ······················119 LAN 交换总结 ·······································120 验证和分析以太网交换 ·································120 演示MAC 获知 ·····································120 交换机接口 ············································121 查找 MAC 地址表中的条目 ···················123 管理 MAC 地址表（老化、清除） ··········124 包含多台交换机的 MAC 地址表 ············125 本章回顾 ·······················································126 复习所有考试要点 ·········································126 实验·······························································127 您应该知道的关键术语 ·································127 命令参考 ·······················································127 第 8 章 配置基本的交换机管理 ·············129 “我已经知道了吗？”小测验 ························129 基础内容 ·······················································130 保护交换机 CLI ·············································130 利用简单密码保护用户模式和特权模式 ····131 使用本地用户名和密码保护用户模式访问 ·······················································134 使用外部身份验证服务器保护用户模式访问 ·······················································135 使用 Secure Shell 保护远程访问·············136 启用远程访问 IPv4 ········································138 主机和交换机 IP 设置 ····························139 为交换机配置 IPv4 ································140 配置交换机来使用 DHCP 获知 IP 地址 ····141 验证交换机上的 IPv4 ·····························141 实验中的其他有用设置 ·································142 历史缓冲区命令 ····································142 logging synchronous、exec-timeout 和 no ip domain-lookup 命令 ·······················143 本章回顾 ·······················································144 复习所有考试要点 ·········································144 您应该知道的关键术语 ·································144 实验·······························································144 命令参考 ·······················································145 第 9 章 配置交换机接口 ························149 “我已经知道了吗？”小测验 ························149 基础内容 ·······················································150 配置交换机接口 ············································150 配置速率、双工和描述 ·························150 使用interface range 命令配置多个接口 ·····152 利用 shutdown 命令管理性控制接口状态 ·······················································152 使用 no 命令删除配置 ···························154 自动协商 ···············································155 端口安全 ·······················································158 配置端口安全 ········································159 验证端口安全 ········································160 端口安全违规操作 ·································161 使用端口安全 MAC 地址作为静态安全地址，而非动态地址 ·····························162 本章回顾 ·······················································163 复习所有考试要点 ·········································163 您应该知道的关键术语 ·································163 实验·······························································163 命令参考 ·······················································163 第 2 部分回顾 ··········································166 第 3 部分 以太网 LAN：设计、VLAN 和故障排除 第 10 章 分析以太网 LAN 设计 ·············171 “我已经知道了吗？”小测验 ························171 基础内容 ·······················································172 分析冲突域和广播域 ·····································172 以太网冲突域 ········································172 以太网广播域 ········································175 分析校园 LAN 拓扑 ·······································177 两层校园网设计（折叠核心） ················177 三层校园网设计（核心） ························179 拓扑设计术语 ········································181 分析 LAN 物理标准选择 ································181 以太网标准 ············································182 为每个链路选择正确的以太网标准 ·······183 无线 LAN 与有线以太网相组合 ············184 本章回顾 ·······················································186 复习所有考试要点 ·········································187 您应该知道的关键术语 ·································187 第 11 章 实现以太网虚拟 LAN ··············189 “我已经知道了吗？”小测验 ························189 基础内容 ·······················································190 虚拟 LAN 概念 ··············································190 用中继功能建立多交换机 VLAN ···········191 在 VLAN 之间转发数据 ························193 VLAN 和 VLAN 中继配置及验证 ···················196 创建 VLAN 和分配接入 VLAN 的接口 ·····196 VLAN 中继协议 ····································200 VLAN 中继配置····································200 实现连接到电话的接口 ·························204 数据和语音 VLAN 概念 ························204 总结：交换机上的 IP 电话端口 ·············208 本章回顾 ·······················································208 复习所有考试要点 ·········································208 您应该知道的关键术语 ·································209 命令参考 ·······················································209 第 12 章 以太网 LAN 故障排除 ·············211 “我已经知道了吗？”小测验 ·························211 基础内容 ·······················································213 关于应用故障排除方法的观点 ······················213 考试疑难解答 ········································213 深入研究问题隔离 ·································214 本书涵盖的故障排除 ·····························215 分析交换机接口状态和统计数据 ···················216 接口状态码和非工作状态的原因 ···········216 接口速率和双工问题 ·····························217 常见的第 1 层工作接口问题 ··················219 预测哪些交换机将转发帧 ······························220 预览 MAC 地址表的 ·······················220 分析转发路径 ········································222 分析某个接口上的端口安全操作 ···················222 故障排除关闭模式和错误禁用恢复 ·······223 排除限制和保护模式下的故障 ··············224 分析 VLAN 和 VLAN 中继 ····················226 确保在正确的 VLAN 中使用了正确的接入接口 ·······················································227 未定义接入 VLAN ·································227 被禁用的接入 VLAN ·····························228 不匹配的中继运行状态 ·························228 本章回顾 ·······················································229 复习所有考试要点 ·········································230 您应该知道的关键术语 ·································230 命令参考 ·······················································230 第 3 部分回顾 ··········································232 第 4 部分 IPv4 寻址和子网划分 第 13 章 IPv4 子网划分 ·························237 “我已经知道了吗？”小测验 ························237 基础内容 ·······················································238 子网划分入门 ················································238 通过简单的例子来定义子网划分 ···········238 操作角度与子网划分的设计角度 ···········239 分析子网划分和寻址的需求 ··························240 主机划分到特定子网的规则 ··················240 决定子网的数量 ····································241 决定每个子网中的主机数量 ··················242 一个子网大小通吃 ·································242 设计选择 ·······················································245 选择一个有类的网络 ·····························245 掩码选择 ···············································247 创建所有子网的列表 ·····························250 实施计划 ·······················································251 分配子网到不同位置 ·····························252 选择每个子网的动态和静态范围 ···········252 本章回顾 ·······················································253 复习所有考试要点 ·········································254 您应该知道的关键术语 ·································254 第 14 章 分析有类 IPv4 网络·················257 “我已经知道了吗？”小测验 ························257 基础内容 ·······················································257 有类网络概念 ················································257 IPv4 网络类型及其相关情况 ··················258 每个网络中的主机数量 ·························260 推导网络 ID 和相关号码 ·······················261 例外的网络 ID 和网络广播地址 ············262 有类网络练习 ················································262 由一个 IP 地址获得关键信息的练习 ······263 记忆地址分类详细信息的练习 ··············263 本章回顾 ·······················································264 复习所有考试要点 ·········································264 您应该知道的关键术语 ·································264 本章知识要点的附加练习·································265 之前练习题答案 ············································265 第 15 章 分析子网掩码 ··························269 “我已经知道了吗？”小测验 ························269 基础内容 ·······················································270 子网掩码转换 ················································270 3 种掩码格式 ·········································270 二进制和前缀掩码之间的转换 ··············271 二进制和 DDN 掩码之间的转换 ············271 前缀与 DDN 掩码之间的转换 ················273 子网掩码转换练习 ·································273 使用掩码识别子网设计选择 ··························274 掩码将子网地址划分为两部分 ··············275 掩码和分类将地址分为 3 个部分 ···········275 无类和有类地址分配 ·····························276 基于 IPv4 地址格式的计算 ····················276 分析子网掩码的练习 ·····························277 本章回顾 ·······················································278 复习所有考试要点 ·········································278 您应该知道的关键术语 ·································279 本章知识要点的附加练习 ······························279 之前练习题答案 ············································279 第 16 章 分析已有子网 ··························283 “我已经知道了吗？”小测验 ························283 基础内容 ·······················································284 定义子网 ·······················································284 网络 172.16.0.0 和 4 个子网的示例 ········284 子网 ID 概念 ··········································285 子网广播地址 ········································286 可用地址的范围 ····································286 分析已有子网：二进制 ·································287 查找子网 ID ：二进制 ···························287 查找子网广播地址：二进制 ··················288 二进制练习题 ········································289 二进制方法的捷径 ·································290 布尔逻辑计算的简要介绍 ······················291 查找地址范围 ········································291 分析已有子网：十进制 ·································291 用简单的掩码来分析 ·····························291 趣味八位组的可预测性 ·························292 查找子网 ID ：困难掩码 ·······················293 查找子网广播地址：困难掩码 ··············295 分析已有子网的练习 ·····································296 选择：记忆或计算 ·································297 本章回顾 ·······················································297 复习所有考试要点 ·········································298 您应该知道的关键术语 ·································298 本章知识要点的附加练习 ······························298 之前练习题的答案 ·········································298 第 4 部分回顾 ··········································300 第 5 部分 实现 IPv4 第 17 章 思科路由器操作 ······················305 “我已经知道了吗？”小测验 ························305 基础内容 ·······················································306 安装思科路由器 ············································306 安装企业级路由器 ·································306 安装互联网接入路由器 ·························308 在思科路由器上启用 IPv4 支持 ····················309 访问路由器 CLI ·····································309 路由器接口 ············································310 路由器辅助端口 ····································316 本章回顾 ·······················································316 复习所有考试要点 ·········································317 您应该知道的关键术语 ·································317 命令参考 ·······················································317 第 18 章 配置 IPv4 地址和静态路由······319 “我已经知道了吗？”小测验 ························319 基础内容 ·······················································320 IP 路由 ··························································320 IPv4 路由过程参考 ································321 IP 路由示例 ···········································322 配置 IP 地址和连接的路由 ····························326 连接的路由和 IP 地址命令 ····················326 思科路由器上的 ARP 表 ························327 VLAN 上的子网间的路由 ······················328 配置静态路由 ················································333 静态路由配置 ········································333 静态主机路由 ········································335 没有竞争路由的静态路由 ······················335 有竞争路由的静态路由 ·························336 静态默认路由 ········································337 排除静态路由故障 ·································338 本章回顾 ·······················································339 复习所有考试要点 ·········································340 您应该知道的关键术语 ·································340 命令参考 ·······················································341 第 19 章 用 RIPv2 获取 IPv4 路由信息·········································343 “我已经知道了吗”小测验 ····························343 基础内容 ·······················································344 RIP 和路由协议概念 ·····································344 内部网关协议的发展历史 ······························345 比较 IGP ·······················································345 距离矢量基础 ················································346 RIPv2 特性总结 ············································349 核心 RIPv2 配置和验证 ································350 配置核心 RIPv2 特性 ·····························350 RIPv2 验证 ····················································353 可选 RIPv2 配置和验证 ································357 使用 passive-interface 命令控制 RIP 更新 ·······················································357 支持多个具有zui大路径的等价路由 ·······358 理解自动汇总和不连续有类网络 ···········358 验证可选的 RIP 特性 ·····························360 RIPv2 默认路由 ·····································362 排除 RIPv2 故障 ···········································365 network 命令缺少和错误的症状·············366 与被动接口相关的问题 ·························367 与自动汇总相关的问题 ·························367 其他路由器特性导致的 RIP 问题 ···········368 RIP 故障排除问题总结 ··························368 本章回顾 ·······················································369 复习所有考试要点 ·········································369 您应该知道的关键术语 ·································370 命令参考 ·······················································370 第 20 章 主机上的 DHCP 和 IP 网络 ····373 “我已经知道了吗？”小测验 ························373 基础内容 ·······················································374 实施 HSRP 并排除故障 ································374 DHCP 概念 ············································375 路由器上的 DHCP 服务器配置 ··············378 IOS DHCP 服务器验证 ··························380 排除 DHCP 问题 ····································381 验证主机的 IPv4 装置 ···································385 IP 地址以及掩码配置 ·····························385 DNS 名称解析 ·······································386 默认路由器 ············································387 IPv4 地址类型 ···············································388 回顾单播（A、B 和 C 类）IP 地址 ·······389 IP 广播地址 ···········································389 IPv4 组播地址（D 类地址） ····················390 比较和对比 IP 地址类型 ························391 本章回顾 ·······················································392 复习所有考试要点 ·········································392 您应该知道的关键术语 ·································392 命令参考 ·······················································393 第 5 部分回顾 ··········································394 第 6 部分 IPv4 设计和故障排除 第 21 章 子网设计 ·································399 “我已经知道了吗？”小测验 ························399 基础内容 ·······················································400 选择掩码以满足需求 ·····································400 回顾：选择子网和主机位的zui小数量 ···400 没有符合要求的掩码 ·····························401 只有一个掩码符合要求 ·························402 多个掩码符合要求 ·································402 正式过程 ···············································404 子网掩码选择的练习 ·····························405 查找所有子网 ID ···········································405 第 一个子网 ID ：零子网 ·······················405 使用魔法数字查找模型 ·························406 子网位小于 8 的正式过程 ······················407 查找子网位正好为 8 的所有子网 ···········409 查找子网位大于 8 的所有子网 ··············410 练习查找所有子网 ID ····························411 本章回顾 ·······················································412 复习所有考试要点 ·········································412 考生应该知道的关键术语 ······························413 本章知识要点的附加练习 ······························413 之前练习题的答案 ·········································413 第 22 章 变长子网掩码 ··························417 “我已经知道了吗？”小测验 ························417 基础内容 ·······················································418 VLSM 概念和配置 ·········································418 非类型化和类型化路由协议 ··················418 VLSM 配置和验证 ·································419 查找 VLSM 重叠 ···········································420 使用 VLSM 设计子网划分方案 ·············420 查找 VLSM 重叠的示例 ························422 练习查找 VLSM 重叠 ····························423 向现有 VLSM 设计添加一个新子网 ··············423 添加新 VLSM 子网的示例 ·····················423 本章回顾 ·······················································425 复习所有考试要点 ·········································425 您应该知道的关键术语 ·································425 本章知识要点的附加练习 ······························425 之前练习题的答案 ·········································425 第 23 章 IPv4 故障排除工具 ·················429 “我已经知道了吗？”小测验 ························429 基础内容 ·······················································429 使用 ping 命令隔离问题 ································429 ping 命令基础 ········································430 使用 ping 命令执行测试的策略和结果 ·······················································430 在 ping 中使用名称和 IP 地址 ················436 使用 traceroute 命令隔离问题 ······················437 traceroute 基础 ·······································437 traceroute 命令的工作原理 ·····················438 标准和扩展 traceroute ····························439 使用 traceroute 将问题隔离到两台路由器 ···················································440 Telnet 和 SSH ···············································441 使用 IOS Telnet 和 SSH 客户端的常见理由 ·······················································442 IOS Telnet 和 SSH 示例 ··························443 本章回顾 ·······················································444 复习所有考试要点 ·········································444 您应该知道的关键术语 ·································444 第 24 章 排除 IPv4 路由故障·················447 “我已经知道了吗 ”小测验 ·························447 基础内容 ·······················································447 主机与默认路由器之间的问题 ······················447 基于主机 IPv4 设置的根源 ····················448 基于默认路由器配置的根源 ··················452 在路由器之间路由数据包的问题 ···················455 通过匹配zui明确的路由而进行 IP 转发 ····455 错误编址计划导致的路由问题 ··············458 相关故障排除主题简介 ·························461 本章回顾 ·······················································462 复习所有考试要点 ·········································462 第 6 部分回顾 ··········································464 第 7 部分 IPv4 服务：ACL 和 NAT 第 25 章 基本 IPv4 访问控制列表 ·········469 “我已经知道了吗？”小测验 ························469 基础内容 ·······················································470 IPv4 访问控制列表基础 ································470 ACL 位置和方向····································470 匹配包 ···················································471 在发生匹配时执行操作 ·························472 IP ACL 的类型 ·······································472 标准编号 IPv4 ACL ·······································472 IP ACL 的列表逻辑 ································473 匹配逻辑和命令语法 ·····························474 实现标准 IP ACL ···································477 故障排除和验证技巧 ·····························480 练习应用标准 IP ACL ····································481 练习创建 access-list 命令 ·······················481 从 ACL 逆向工程到地址范围 ················481 本章回顾 ·······················································483 复习所有考试要点 ·········································483 您应该知道的关键术语 ·································483 本章知识要点的附加练习 ······························483 命令参考 ·······················································483 之前练习题的答案 ·········································484 第 26 章 gao级 IPv4 访问控制列表 ·········487 “我已经知道了吗？”小测验 ························487 基础内容 ·······················································488 扩展编号的 IP 访问控制列表 ························488 匹配协议、源 IP 和目的 IP ····················489 匹配 TCP 和 UDP 端口号 ······················490 扩展的 IP ACL 配置 ·······························492 练习创建 access-list 命令 ·······················495 命名的 ACL 和 ACL 编辑 ······························495 命名 IP 访问列表 ···································496 使用序列号编辑 ACL ····························497 编号 ACL 配置与命名 ACL 配置对比 ·······················································499 ACL 实现考虑因素 ································499 使用 IPv4 ACL 进行故障排除 ·······················500 分析网络中的 ACL 行为 ························500 ACL 与路由器生成的数据包的交互 ······504 本章回顾 ·······················································506 复习所有考试要点 ·········································507 您应该知道的关键术语 ·································507 命令参考 ·······················································507 之前练习题的答案 ·········································508 第 27 章 网络地址转换 ··························511 “我已经知道了吗？”小测验 ·························511 基础内容 ·······················································512 对 IPv4 地址可伸缩性的观点 ························512 CIDR ·····················································513 私有地址 ···············································514 网络地址转换概念 ·········································514 静态 NAT ···············································515 动态 NAT ···············································516 通过端口地址转换（PAT） 重载 NAT ···············································517 NAT 配置和故障排除 ····································519 静态 NAT 配置 ······································519 动态 NAT 配置 ······································520 动态 NAT 验证 ······································521 NAT 重载（PAT）配置 ··························524 NAT 故障排除 ···························526 本章回顾 ·······················································527 复习所有考试要点 ·······················527 您应该知道的关键术语 ······················527 命令参考 ·······················································528 第 7 部分回顾 ··········································530 第 8 部分 IPv6 第 28 章 IPv6 基础 ································535 “我已经知道了吗？”小测验 ························535 基础内容 ·······················································536 IPv6 简介 ······················································536 IPv6 的历史原因 ····································536 IPv6 路由 ···············································538 IPv6 路由协议 ········································540 IPv6 寻址格式和约定 ····································541 表示完整的（未缩写）IPv6 地址 ··········541 缩写和展开 IPv6 地址 ····························542 地址前缀长度表示 ·································543 计算 IPv6 前缀（子网 ID） ·····················543 查找 IPv6 前缀 ·······································543 更难的 IPv6 前缀长度 ····························545 本章回顾 ·······················································545 复习所有考试要点 ·········································546 您应该知道的关键术语 ·································546 本章知识要点的附加练习 ······························546 之前练习题的答案 ·········································546 第 29 章 IPv6 寻址和子网划分 ··············549 “我已经知道了吗？”小测验 ························549 基础内容 ·······················································550 全球单播寻址概念 ·········································550 公网和私网 IPv4 地址的简单回顾 ·········550 IPv6 全球路由前缀 ································552 全球单播地址的地址范围 ······················553 使用全球单播地址进行 IPv6 子网划分 ·······················································554 将地址分配给子网中的主机 ··················557 本地wei一单播地址 ·········································558 使用 IPv6 本地wei一地址进行子网划分 ·······················································558 全球wei一本地地址的需求 ······················559 本章回顾 ·······················································560 复习所有考试要点 ·········································560 您应该知道的关键术语 ·································560 第 30 章 在路由器上实施 IPv6 寻址······563 “我已经知道了吗？”小测验 ························563 基础内容 ·······················································564 在路由器上实施单播 IPv6 地址 ····················564 静态单播地址配置 ·································565 动态单播地址配置 ·································571 路由器使用的特殊地址 ·································572 本地链路地址 ········································572 IPv6 组播地址 ········································574 其他 IPv6 地址 ·······································578 IPv6 寻址配置摘要 ································578 本章回顾 ·······················································578 复习所有考试要点 ·········································579 您应该知道的关键术语 ·································579 本章知识要点的附加练习 ······························579 命令参考 ·······················································580 之前练习题的答案 ·········································580 第 31 章 在主机上实施 IPv6 寻址 ·········583 “我已经知道了吗？”小测验 ························583 基础内容 ·······················································584 邻居发现协议 ················································584 使用 NDP RS 和 RA 发现路由器 ···········585 使用 NDP RS 和 RA 为 SLAAC 发现地址信息 ·······················································586 使用 NDP NS 和 NA 发现邻居链路地址 ·······················································586 使用 NDP NS 和 NA 发现重复地址 ·······587 NDP 摘要···············································588 主机 IPv6 设置的动态配置 ····························588 使用有状态 DHCP 和 NDP 的动态配置 ·······················································589 使用无状态地址自动配置 ······················591 排除 IPv6 寻址故障 ·······································593 从主机验证主机 IPv6 连接 ····················593 从邻近的路由器验证主机连接 ··············595 本章回顾 ·······················································598 复习所有考试要点 ·········································598 您应该知道的关键术语 ·································598 命令参考 ·······················································598 第 32 章 实施 IPv6 路由 ························601 “我已经知道了吗？”小测验 ························601 基础内容 ·······················································602 连接路由和本地路由 ·····································602 连接路由和本地路由规则 ······················602 IPv6 连接路由的示例 ·····························603 IPv6 本地路由的示例 ·····························604 IPv6 静态路由 ···············································605 使用出站接口的静态路由 ······················606 使用下一跳 IPv6 地址的静态路由 ·········607 静态默认路由 ········································609 静态 IPv6 主机路由 ·······························610 浮动静态 IPv6 路由 ·······························610 路由器接口上的 SLAAC 中的默认路由 ·····612 排除静态 IPv6 路由故障 ························613 本章回顾 ·······················································615 复习所有考试要点 ·········································616 命令参考 ·······················································616 第 8 部分回顾 ··········································618 第 9 部分 网络设备管理 第 33 章 设备管理协议 ··························623 “我已经知道了吗 ”小测验 ·························623 基础内容 ·······················································624 系统消息日志（Syslog） ·······························624 实时将消息发送给当前用户 ··················624 存储日志消息供以后查看 ······················625 日志消息格式 ········································625 日志消息严重等级 ·································626 配置和验证系统日志记录 ······················627 debug 命令和日志消息 ···························629 网络时间协议（NTP） ···································630 设置时间和时区 ····································631 实现 NTP 客户端、服务器和客户端 / 服务器模式 ············································631 NTP 使用环回接口实现更高的可用性 ····633 使用 CDP 和 LLDP 分析拓扑 ························634 检查 CDP 获取的信息 ···························635 配置和验证 CDP 自身 ···························637 实现链路层发现协议 ·····························638 本章回顾 ·······················································639 复习所有考试要点 ·········································640 您应该知道的关键术语 ·································640 命令参考 ·······················································640 第 34 章 设备安全特性 ··························643 “我已经知道了吗？”小测验 ························643 基础内容 ·······················································644 保护 IOS 密码 ···············································644 使用服务密码加密来加密旧 IOS 密码 ····644 使用散列函数对启用密码进行编码 ·······645 为本地用户名隐藏密码 ·························648 思科设备加固 ················································649 配置登录标语 ········································649 保护未用的交换机接口 ·························650 使用 ACL 控制 Telnet 和 SSH 访问 ········651 防火墙 ···················································651 本章回顾 ·······················································654 复习所有考试要点 ·········································654 您应该知道的关键术语 ·································654 命令参考 ·······················································655 第 35 章 管理 IOS 文件 ·························657 “我已经知道了吗？”小测验 ························657 基础内容 ·······················································658 管理思科 IOS 映像和升级 ·····························658 IOS 文件系统 ·········································658 升级 IOS 映像 ········································660 思科 IOS 软件引导顺序 ·························664 密码恢复 ·······················································668 思科密码恢复 / 重设背后的基本思路 ····669 一个具体的密码重设示例 ······················669 管理配置文件 ················································671 复制和擦除配置文件 ·····························671 初始配置（设置模式） ···························674 本章回顾 ·······················································675 复习所有考试要点 ·········································675 您应该知道的关键术语 ·································675 命令参考 ·······················································676 第 36 章 IOS 许可管理 ··························679 “我已经知道了吗？”小测验 ························679 基础内容 ·······················································680 IOS 打包 ·······················································680 每个型号、系列和软件版本 / 发行版的 IOS 映像 ················································680 原装：每个功能集组合一个 IOS 映像 ····680 新 IOS 封装：一个包含所有功能集的通用映像 ···············································681 使用通用映像的 IOS 软件激活 ·····················681 未来：Cisco ONE 许可 ···························682 使用思科许可管理器管理软件激活 ···············683 使用许可手动激活软件 ·························683 手动激活许可的示例 ·····························685 使用权许可 ······························688 本章回顾 ·······················································689 复习所有考试要点 ··························690 您应该知道的关键术语 ·································690 命令参考 ····························690 第 9 部分回顾 ··········································692 第 10 部分 zui后冲刺 第 37 章 zui后冲刺 ·································697 关于考试的建议 ············································697 使用思科认证考试教程了解问题类型 ···697 时间与问题数量 ····································698 建议的时间检查方法 ·····························698 考试前的其他建议 ·································699 考试日建议 ············································699 考试失败后预留一些时间，防止下次考试失败 ·······················································699 考试复习 ·······················································700 练习子网划分和其他与计算相关的技能 ·······················································700 模拟考试 ···············································702 通过问题复习找出知识差距 ··················704 练习动手 CLI 技能 ································705 评估您是否准备好通过考试（和摆脱考试分数误区） ··············································707 考试失败后的学习建议 ·························707 其他学习任务 ········································708 zui后的思考 ············································709 第 11 部分 附录 附录 A 数值参照表 ································713 附录Ｂ CCENT/CCNA ICND1 100-105考试更新 ···································717 始终获得书籍的产品页面上的zui新信息 ········717 技术内容 ·······················································717 术语表 ······················································719 |