Syngress Media, Inc.: CCNA Cisco Certified Network Associate Study Guide (Exam 640-407).
Copyright (c)1998 by The McGraw-Hill Companies, Inc. All rights reserved, Jointly published by China Machine Press/ McGraw-Hill. This edition may be sold in the People's Republic of China only. This book cannot be re-exported and is not for sale outside the People's Republic of China.

CONTENTS
Foreword
About the Contributors
Acknowledgments
Preface
Introduction
Introduction to Internetworking
Certification Objective 1.01
The Internetworking Model
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