CCNA与CCNAS认证考试英语指南PDF电子书下载

Unit One网络基础 1

Lesson 1 Computer Networking 1

Lesson 2 Network Topology 12

Lesson 3 The OSI Reference Model 23

Lesson 4 The TCP/IP Reference Model 32

Unit Two数据网络中的基本术语 41

Lesson 5 Network Math 41

Lesson 6 IPAddressing and IP Address Classes 53

UnitThree网络分类 71

Lesson 7 LAN 71

Lesson 8 WAN 83

Unit Four网络设备 95

Lesson 9 NIC and Hub 95

Lesson 10 Bridge 103

Lesson 11 Router and Gateway 115

Unit Five交换与路由 129

Lesson 12 VLAN 129

Lesson 13 Spanning Tree Protocol 141

Lesson 14 Routing Protocols 152

Unit Six综合布线基础知识 167

Lesson 15 TIA/EIA Structured Cabling Standards 167

Lesson 16 Twisted Pair 178

Lesson 17 UTP Cable Termination Standards EIA/TIA 568A and EIA/TIA 568B 185

Lesson 18 Types of Cables Connecting Network Devices 190

Lesson 19 Fiber Optics 198

Lesson 20 Wireless Links and Transmission 208

Unit Seven网络应用 214

Lesson 21 HTTP and W W W 214

Lesson 22 DNS and DHCP 221

Lesson 23 E-mail， STMP and POP3 235

Lesson 24 FTP and Telnet 245

Unit Eight网络安全 252

Lesson 25 ACL 252

Lesson 26 Introduction to Firewal1 262

Lesson 27 IDS and IPS Characteristics 272

Lesson 28 VPN 283

Lesson 29 Securing Wireless Network 292

Unit Nine网络操作系统介绍 298

Lesson 30 Windows Server 2008 298

Lesson 31 Linux 311

Unit Ten云计算 321

Lesson 32 What is Cloud Computing？ 321