Cisco CCNA 1 and 2 Companion Guide (3rd edition).pdf

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1102.book Page i Tuesday, May 20, 2003 2:53 PM

Cisco Networking Academy Program

CCNA 1 and 2 Companion Guide

Third Edition

Cisco Systems, Inc.

Cisco Networking Academy Program

Cisco Press

201 West 103 rd Street

Indianapolis, Indiana 46290 USA

www.ciscopress.com

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fmatter.fm Page ii Wednesday, May 21, 2003 11:31 AM

ii

Cisco Networking Academy Program

CCNA 1 and 2 Companion Guide

Third Edition

Cisco Systems, Inc.

Cisco Networking Academy Program

Copyright © 2003 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 inclu-

sion of brief quotations in a review.

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

Library of Congress Cataloging-in-Publication Number: 2002116787

ISBN: 1-58713-110-2

First Printing June 2003

Trademark Acknowledgments

All terms mentioned in this book that are known to be trademarks or service marks have been

appropriately capitalized. Cisco Press or Cisco Systems, Inc., cannot attest to the accuracy of this

information. Use of a term in this book should not be regarded as affecting the validity of any

trademark or service mark.

Warning and Disclaimer

This book is designed to provide information about CCNA 1: Networking Basics and CCNA 2:

Routers and Routing Basics of the Cisco Networking Academy Program CCNA course. Every

effort has been made to make this book as complete and as accurate as possible, but no war-

ranty 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.

This book is part of the Cisco Networking Academy Program series from Cisco Press. The

products in this series support and complement the Cisco Networking Academy Program

curriculum. If you are using this book outside the Networking Academy program, then you are

not preparing with a Cisco trained and authorized Networking Academy provider.

®

For information on the Cisco Networking Academy Program or to locate a Networking Academy,

please visit www.cisco.com/edu.

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1102.book Page iii Tuesday, May 20, 2003 2:53 PM

iii

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 develop-

ment 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 needs, you can contact us through e-mail at networkingacademy@

ciscopress.com. Please make sure to include the book title and ISBN in your message.

We greatly appreciate your assistance.

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1102.book Page iv Tuesday, May 20, 2003 2:53 PM

iv

Publisher

John Wait

Editor-in-Chief

John Kane

Executive Editor

Carl Lindholm

Cisco Representative

Anthony Wolfenden

Cisco Press Program Manager

Sonia Torres Chavez

Manager, Marketing Communications,

Scott Miller

Cisco Systems

Cisco Marketing Program Manager

Edie Quiroz

Production Manager

Patrick Kanouse

Senior Development Editor

Chris Cleveland

Senior Editor

Sheri Cain

Copy Editors

Krista Hansing, Kevin A. Kent, Gayle Johnson

Technical Editors

Jhun DeLeon, Ralph Duffy, Jim Lorenz, Arthur Tucker

Assistant Editor

Sarah Kimberly

Designer

Louisa Adair

Composition

Octal Publishing, Inc.

Indexer

Tim Wright

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1102.book Page v Tuesday, May 20, 2003 2:53 PM

v

Overview

Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvii

Part I

CCNA 1: Networking Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 1

Introduction to Networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Chapter 2

Networking Fundamentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Chapter 3

Networking Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Chapter 4

Cable Testing and Cabling LANs and WANs . . . . . . . . . . . . . . . 183

Chapter 5

Ethernet Fundamentals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251

Chapter 6

Ethernet Technologies and Ethernet Switching. . . . . . . . . . . . . 315

Chapter 7

TCP/IP Protocol Suite and IP Addressing . . . . . . . . . . . . . . . . . . 375

Chapter 8

Routing Fundamentals and Subnets . . . . . . . . . . . . . . . . . . . . . 427

Chapter 9

TCP/IP Transport and Application Layer. . . . . . . . . . . . . . . . . . . 477

Part II

CCNA 2: Routers and Routing Basics. . . . . . . . . . . . . . . . . . . . . 509

Chapter 10 WANs and Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511

Chapter 11 Router Fundamentals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553

Chapter 12 Router Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 587

Chapter 13 Learning About Neighboring and Remote Devices. . . . . . . . . . 621

Chapter 14 Managing Cisco IOS Software . . . . . . . . . . . . . . . . . . . . . . . . . . 645

Chapter 15 Routing and Routing Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . 675

Chapter 16 Distance Vector Routing Protocols . . . . . . . . . . . . . . . . . . . . . . . 711

Chapter 17 TCP/IP Error and Control Messages . . . . . . . . . . . . . . . . . . . . . . 761

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