计算机认证考试是计算机业界人士和高等院校学生的一个“热点”，从1998年开始，我们在国内领先推出了“微软MCSE系列丛书”结果非常成功。利用与国外出版公司的密切合作关系，加之我们认真负责的翻译、编辑和出版印刷方面努力，MCSE系列丛书以其快速的出版速度、较高的质量和适中的价格得到了广大读者的欢迎，取得了很好的社会效益和经济效益。借助过去的成功经验，我们再次引进Sybex公司的版权，采用“原版引进，重新排版印刷”的方式，出版Cisco认证考试系列丛书(英文版)，为配合Cisco认证考试的升级(2.0版)，我们及时出版了相应科目的*新辅导书。

Contents
Introduction
Chapter l Bridging/Switching
Static VLANS
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Spantree
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Switching Modes/Methods
Critlcal Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Point-to-Point Protocol〔PPP)
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Chapter 2 OSI Reference Model and Layered Communication
Layer Definitions
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Encapsulatlon/De-encapsulation
Critlcal Information
Layer Functions
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Connection-Oriented Models
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Connectionless Models
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Model Benefits
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Chapter 3 Network Protocols
TCP/IP
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Novell IPX
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Windowing
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Chapter 4 Routing
Interior Gateway Routing Protocol(IGRP)
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Internet Control Message Protocol(ICMP)
Critlcal Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Chapter 5 WAN Protocols
Integrated Services Digital Network(ISDN)
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Frame Relay
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
High-Level Data-Link Control(HDLC)
Exam Essentials
Key Terms and Concepts
Sample Questions
Asvnchronous Transfer Mode (ATM〕
Critlcal Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Chapter 6 Network Management
Access Lists
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Telnet
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Domain Name System(DNS)
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Chapter 7 LAN Design
Ethernet
Exam Essentials
Key Terms and Concepts
Sample Questions
Fast Ethernet
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Gigabit Ethernet
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Token Ring
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Question
Chapter 8 Physical Connectivity
IEEE Standards
Critical Information
Exam Essentials
Kev Terms
Sample Questions
ANSI Standards
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
Chepter 9 Cisco Basics，IOS，and Network Basics
IOS CLI Router
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Troubleshooting
Critical Information
Necessary Procedures
Exam Essentials
Key Terms and Concepts
Sample Questions
Router Packet Switching Modes
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions
IOS CLI Switch
Critical Information
Exam Essentials
Key Terms and Concepts
Sample Questions