思科网络技术学院教程：网络简介

图书目录:

目录

第 1 章探索网络·············································· 1

1.1 目标····················································· 1

1.2 重要术语············································· 1

1.3 简介（1.0.1.1） ·································· 2

1.4 全球连接（1.1） ································ 2

1.4.1 当今网络（1.1.1）·················· 2

1.4.2 提供网络资源························· 7

1.5 LAN、WAN 和Internet······················ 9

1.5.1 网络的组成部分（1.2.1 和1.2.1.1）················· 9

1.5.2 LAN 和WAN（1.2.2）········· 13

1.5.3 Internet（1.2.3 和1.2.3.1）··· 14

1.5.4 Internet 接入技术（1.2.4.1） ···························· 15

1.5.5 连接远程用户到Internet（1.2.4.2） ················ 16

1.5.6 连接企业到Internet（1.2.4.3） ···························· 17

1.6 作为平台的网络（1.3）··················· 18

1.6.1 融合网络（1.3.1.1）············· 18

1.6.2 展望未来（1.3.1.2）············· 18

1.6.3 支撑网络体系结构（1.3.2.1） ···························· 19

1.6.4 电路交换网络的容错能力（1.3.2.2）····················· 20

1.6.5 数据包交换网络的容错能力（1.3.2.3） ············· 21

1.6.6 可扩展的网络（1.3.2.4）····· 22

1.6.7 提供QoS（1.3.2.5）············· 23

1.6.8 提供网络安全保障（1.3.2.6）····························· 25

1.7 不断变化的网络环境（1.4） ··········· 26

1.7.1 网络趋势（1.4.1）················ 26

1.7.2 家庭中的技术趋势（1.4.2.1）····························· 30

1.7.3 电力线网络（1.4.2.1）········· 31

1.7.4 无线宽带（1.4.2.3）············· 31

1.7.5 安全威胁（1.4.3.1）············· 32

1.7.6 安全解决方案（1.4.3.2） ····· 32

1.8 Cisco 网络体系结构（1.4.4.1） ······· 33

1.9 CCNA（1.4.4.2） ····························· 33

1.10 总结（1.5） ···································· 33

1.11 实践················································· 34

1.11.1 课堂练习····························· 34

1.11.2 实验····································· 34

1.11.3 Packet Tracer 练习··············· 35

1.12 复习题············································· 35

第 2 章配置网络操作系统····························· 37

2.1 目标··················································· 37

2.2 重要术语··········································· 37

2.3 简介（2.0.1） ··································· 38

2.3.1 Cisco IOS 简介（2.0.1.1）···· 38

2.4 IOS 新兵训练营（2.1） ··················· 38

2.4.1 Cisco IOS（2.1.1） ··············· 39

2.4.2 访问Cisco IOS 设备（2.1.2） ······························· 41

2.4.3 导航IOS（2.1.3） ················ 42

2.4.4 命令结构（2.1.4）················ 45

2.5 基本配置··········································· 53

2.5.1 主机名（2.2.1） ··················· 53

2.5.2 限制对设备配置的访问

（2.2.2） ······························· 55

2.5.3 保存配置（2.2.3）················ 60

2.6 地址方案（2.3） ······························ 63

2.6.1 端口和地址（2.3.1）············ 63

2.6.2 设备编址（2.3.2）················ 64

2.6.3 检查连接性（2.3.3）············ 66

2.7 总结（2.4） ······································ 68

2.8 实践··················································· 69

2.8.1 课堂练习······························· 69

2.8.2 实验······································· 69

2.8.3 Packet Tracer 练习················· 69

2.9 复习题··············································· 69

第 3 章网络协议和通信································· 72

3.1 目标··················································· 72

3.2 重要术语··········································· 72

3.3 简介··················································· 73

3.4 通信规则（3.1） ······························ 73

3.4.1 规则（3.1.1） ······················· 73

3.5 网络协议和标准（3.2）··················· 77

3.5.1 协议（3.2.1） ······················· 77

3.5.2 协议簇（3.2.2） ··················· 80

3.5.3 标准组织（3.2.3）················ 84

3.5.4 参考模型（3.2.4）················ 86

3.6 在网络中传输数据（3.3）··············· 89

3.6.1 数据封装（3.3.1）················ 89

3.6.2 访问本地资源（3.3.2）········ 91

3.6.3 访问远程资源（3.3.3）········ 94

3.7 总结··················································· 96

3.8 实践··················································· 96

3.8.1 课堂练习······························· 96

3.8.2 实验······································· 96

3.8.3 Packet Tracer 练习················· 97

3.9 复习题··············································· 97

第 4 章网络访问层······································· 100

4.1 目标··············