Computer Networking First-Step

Copyright© 2004 Cisco Systems, Inc.

Published by:

Cisco Press800 East 96th StreetIndianapolis, IN 46240 USA

All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without written permission from the publisher, except for the inclusion of brief quotations in a review.

Printed in the United States of America 1 2 3 4 5 6 7 8 9 0

First Printing April 2004

Library of Congress Cataloging-in-Publication Number: 2003108109

Warning and Disclaimer

This book is designed to provide information about computer networking. Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied.

The information is provided on an "as is" basis. The author, Cisco Press, and Cisco Systems, Inc., shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book or from the use of the discs or programs that may accompany it.

The opinions expressed in this book belong to the author and are not necessarily those of Cisco Systems, Inc.

Credits

Publisher

John Wait

Editor-in-Chief

John Kane

Executive Editor

Brett BartowCisco RepresentativeAnthony Wolfenden

Cisco Press Program ManagerNannette M. Noble

Production Manager

Patrick Kanouse

Development Editor

Dayna Isley

Project Editor

San Dee Phillips

Copy Editor

Karen A. Gill

Technical EditorsBlair Buchanan, Ron Kovac,Scott Van de Houten,

Paul NegronTeam Coordinator

Tammi Barnett

Book and Cover DesignerLouisa Adair

Compositor

Mark Shirar

Indexer

Tim Wright

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Copyright © 2003 Cisco Systems, Inc. All rights reserved. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, the Cisco Systems Verified logo, Cisco Unity, Follow Me Browsing, FormShare, iQ Net Readiness Scorecard, Networking Academy, and ScriptShare are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, The Fastest Way to Increase Your Internet Quotient, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherSwitch, Fast Step, GigaStack, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, LightStream, MGX, MICA, the Networkers logo, Network Registrar, Packet, PIX, Post-Routing, Pre-Routing, RateMUX, Registrar, SlideCast, SMARTnet, StrataView Plus, Stratm, SwitchProbe, TeleRouter, TransPath, and VCO are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries.

All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0303R)

Printed in the USA

Dedications

For Fay and Raymond, my favorite parents, out of all the parents I've ever met.

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