CISCO 640-802

Indianapolis, IN 46240 USA

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Printed in the United States of America

First Printing July 2007

Library of Congress Cataloging-in-Publication Data

Empson, Scott.

Portable command reference / Scott Empson. -- 2nd ed.

004.6--dc22

2007023863

ISBN-13: 978-1-5872-0193-6

ISBN-10: 1-58720-193-3

This book is designed to provide information about the Certified Cisco Networking

Associate (CCNA) exam and the commands needed at this level of network administration.

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a variety of different programs (certificate, diploma, and applied degree) at the post-

secondary level. Scott is also the program coordinator of the Cisco Networking Academy

Program at NAIT, a Regional Academy covering Central and Northern Alberta. He has

Edmonton, Alberta, with his wife, Trina, and two children, Zachariah and Shaelyn, where

he enjoys reading, performing music on the weekend with his classic/80s rock band “Miss

Understood,” and studying the martial art of Taekwon-Do.