800 East 96th S
Indianapolis, IN
Cisco Pres
CCNA ICND2
Official Exam Certification Guide
Second Edition
Wendell Odom, CCIE No. 1624
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46240 USA
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CCNA ICND2 Official Exam Certification Guide, Second Edition
Wendell Odom
Copyright © 2008 Cisco Systems, Inc.
Published by:
Cisco Press
800 East 96th Street
Indianapolis, 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
First Printing August 2007
Library of Congress Cataloging-in-Publication Data:
Odom, Wendell.
CCNA ICND2 official exam certification guide / Wendell Odom. -- 2nd ed.
p. cm.
ISBN 978-1-58720-181-3 (hbk : CD-ROM)
1. Electronic data processing personnel--Certification. 2. Computer network protocols--Study guides. 3.
Internetworking (Telecommunication)--Study guides. I. Title.
QA76.3.O3618 2004
004.6--dc22
2007029471
ISBN-13: 978-1-58720-181-3
ISBN-10: 1-58720-181-x
Warning and Disclaimer
This book is designed to provide information about the Cisco ICND1 (640-822), ICND2 (640-816), and CCNA (640-
802) exams. 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 authors, Cisco Press, and Cisco Systems, Inc. shall have neither
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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.
Trademark Acknowledgments
All terms mentioned in this book that are known to be trademarks or service marks have been ap