Cisco’s CCNA certification proves that you have a firm foundation in the most important components of the Cisco product line—namely, routers and switches. It also proves that you have a broad knowledge of protocols and networking technologies. CCNA is not an easy certification to get, but it is well worth the effort. In a booming economy, CCNA is the first step toward getting a higher salary than your noncertified peers. In a difficult economy, it could be the difference between whether a prospective employer even looks at your résumé. Regardless of your local economy, CCNA does improve how people in. | CCNA Self-Study CCNA INTRO Exam Certification Guide Wendell Odom CCIE No. 1624 Cisco Press Cisco Press 201 West 103rd Street Indianapolis IN 46290 USA ii CCNA INTRO Exam Certification Guide Wendell Odom Copyright 2004 Cisco Systems Inc. Published by Cisco Press 201 West 103rd Street Indianapolis IN 46290 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 August 2003 Library of Congress Cataloging-in-Publication Number 2003104998 ISBN 1-58720-094-5 Warning and Disclaimer This book is designed to provide information about selected topics for the Introduction to Cisco Networking Technologies INTRO exam for the CCNA certification. 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 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. Feedback Information At Cisco Press our goal is to create in-depth technical books of the highest quality and value. Each book is crafted with care and precision undergoing rigorous development that involves the unique expertise of members from the professional technical community. Readers feedback is a natural continuation of this process. If you have any comments regarding how we could improve the quality of this book or otherwise alter it to better suit your .
