Frank J. Derfler - How Networks Work Millennium Edition

Cover

Page i

How Networks Work

Millennium Edition

Page ii

Page iii

Millennium Edition

Frank J. Derfler, Jr. and Les Freed
Illustrated by Stephen Adams, Laura Robbins, Patricia Douglas, and Michael Troller

Page iv

Copyright 2000 by Que Corporation

All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions. Nor is any liability assumed for damages resulting from the use of the information contained herein.

International Standard Book Number: 0-7897-2445-6

Library of Congress Catalog Card Number: 00-103926
Printed in the United States of America
First Printing: September, 2000
02 01 00 4 3 2 1

Trademarks

All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Que Corporation 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

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 provided is on an ''as is" basis. The authors and the publisher 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.

Screen reproductions in this book were created by using Collage Plus from Inner Media, Inc., Hollis, NH.

Associate Publisher
Greg Wiegand

Acquisitions Editor
Heather Banner Kane

Development Editor
Nicholas J. Goetz

Managing Editor
Thomas Hayes

Project Editor
Tonya Simpson

Copy Editor
Tonya Simpson

Indexer
Aamir Burki

Proofreader
Maribeth Echard

Technical Illustrators
Stephen Adams, Laura Robbins, Patricia Douglas, and Michael Troller

Interior Designer
Trina Wurst

Cover Designer
Anne Jones

Production
Trina Wurst

Page v

Page vi

Page vii

Page viii

This page intentionally left blank.

Page 1

More than 80 percent of the personal computers used in business and education are connected to a network or the Internet. The chances are good that you'll have to interact with a network soon if you don't already. This book helps you understand computer networks in several ways. It helps to scratch the intellectual itch you might have about where the data resides and what goes on inside the cable, equipment, and software. If you understand the basic structure and operation of a network, you can be more efficient in your job. The information in this book is an excellent foundation for growth if you want to learn more about networking. Finally, you can use this book as a training tool for working on networked computers.