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CCNA™:
Cisco® Certified Network Associate
Study Guide
Third Edition

Todd Lammle

San Francisco • London
Copyright ©2002 SYBEX, Inc., Alameda, CA

www.sybex.com

Associate Publisher: Neil Edde
Acquisitions and Developmental Editor: Maureen Adams
Editor: Pete Gaughan
ProductionEditor: Elizabeth Campbell
Technical Editors: Rod Jackson, Errol Robichaux
Book Designer: Bill Gibson
Graphic Illustrator: Tony Jonick
Electronic Publishing Specialist: Interactive Composition Corporation
Proofreaders: Yariv Rabinovitch, Nancy Riddiough, Sarah Tannehill
Indexer: Ted Laux
CD Coordinator: Dan Mummert
CD Technician: Kevin Ly
Cover Designer: Archer Design
CoverPhotographer: Tony Stone
Copyright © 2002 SYBEX Inc., 1151 Marina Village Parkway, Alameda, CA 94501. World rights reserved. The author
created reusable code in this publication expressly for reuse by readers. Sybex grants readers limited permission to reuse the
code found in this publication or its accompanying CD-ROM so long as the author is attributed in any application containing the reusable code andthe code itself is never distributed, posted online by electronic transmission, sold, or commercially exploited as a stand-alone product. Aside from this specific exception concerning reusable code, no part of this
publication may be stored in a retrieval system, transmitted, or reproduced in any way, including but not limited to photocopy, photograph, magnetic, or other record, without the prioragreement and written permission of the publisher.
First edition copyright © 1998 SYBEX Inc
Second edition copyright © 2000 SYBEX Inc
Deluxe edition copyright © 2001 SYBEX Inc
Library of Congress Card Number: 2002104864
ISBN: 0-7821-4167-6
SYBEX and the SYBEX logo are either registered trademarks or trademarks of SYBEX Inc. in the United States and/or other
countries.
Screen reproductionsproduced with FullShot 99. FullShot 99 © 1991–1999 Inbit Incorporated. All rights reserved.
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The CD interface was created using Macromedia Director, COPYRIGHT 1994, 1997–1999 Macromedia Inc. For more
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This study guide and/or material is not sponsored by, endorsed byor affiliated with Cisco Systems, Inc. Cisco®, Cisco
Systems®, CCDA™, CCNA™, CCDP™, CCNP™, CCIE™, CCSI™, the Cisco Systems logo and the CCIE logo are trademarks or registered trademarks of Cisco Systems, Inc. in the United States and certain other countries. All other trademarks
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