| 这本针对修订后的CCNP考试，642-821的学习指南为读者提供了：对关键考试内容的深入讲解；有关对Cisco远程访问网络进行规划、配置和故障诊断的实用信息；成百道富有挑战性的复习题；选配光碟中有最新的考试复习软件，包括测试引擎、示例仿真题和电子闪存卡。 |
| Robert Padjen是一家大型金融机构的技术总监，通过了CCNP安全和CCDP认证。他已经撰写了数十本网络管理、诊断和设计等方面的书籍。
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| Introduction Assessment Test Chapter 1 Cisco solutions for Remote Access What Is Remote Access? WAN Connection Types WAN Encapsulation Protocols Selecting a WAN Protocol Choosing Remote Connection Cisco Products Fixed Interfaces Modular Interfaces Product Selection Tools Cabling and Assembling the WAN Internetworking Overview and Remote Access Interface Options Identifying Company Site Equipment Verifying a Network Installation Summary Exam Essentials Key Terms Written Lab Review Questions Answers to Written Lab Answers to Review Questions Chapter 2 Asynchronous Connections Understanding Asynchronous Modems Signaling and Cabling Modulation Standards Configuring Asynchronous Modem Connections Automatic Configuration Manual Configuration Summary Exam Essentials Key Terms Written Lab Hands-on Lab Lab 1 Lab 2 Review Questions Answers to Written Lab Answers to Review Questions Chapter 3 Point-to-Point Protocol PPP Overview and Architecture The Flag Field The Address Field The Control Field The Protocol Field The Information Field The Frame Check Sequence(FCS)Field Configuring Access Servers Configuring PPP Dedicated or Interactive PPP Interface Addressing Options for Local Devices PAP and CHAP Authentication Password authentication Protocol(PAP) Challenge Handshake Authentication Protocol(CHAP) PPP Callback PPP Compression and Multilink Compression Configuration Multilink Configuration Verifying and Troubleshooting PPP The debug ppp authentication Command The debug ppp negotiation Command The debug ppp packet Command Summary Exam Essentials Key Terms Written Lab Hands-on Lab Lab 3.1:PPP and DHCP Configuration Review Questions Answers to Written Lab Answers to Review Questions Chapter 4 Using Microsoft Windows 95/98/2000/XP Chapter 5 Integrated Services Digital Network(ISDN) Chapter 6 Remote Access with Digital Subcriber Line Chapter 7 Remote Access with Cable Modems and Virtual Private Network Chapter 8 Frame Relay Chapter 9 Queuing and Compression Chapter 10 Network Address Translation(NAT)and Port Address Translation Chapter 11 Centralized Security in Remote Access Networks Glossary |
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