800 East 96th Street
Indianapolis, Indiana 46240 USA
Cisco Press
CCNP BSCI Official Exam
Certification Guide,
Fourth Edition
Brent D. Stewart
Clare Gough, CCIE No. 2893
ii
CCNP BSCI Official Exam Certification Guide, Fourth Edition
Brent D. Stewart, Clare Gough
Copyright © 2008 Cisco Systems, Inc.
Cisco Press logo is a trademark of 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,
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lisher, except for the inclusion of brief quotations in a review.
Printed in the United States of America
Third Printing July 2008
Library of Congress Catalog Card Number: 2004113747
ISBN-13: 978-1-58720147-9
ISBN-10: 1-58720-147-x
Portions of Chapters 17–19 have been adapted from Chapter 15 of CCNP BCMSN Official Exam Certification Guide by Dave
Hucaby; ISBN-13: 978-1-58720-142-4, ISBN-10: 1-58720-142-9 © Cisco Systems, Inc. 2006.
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About the Author
Brent D. Stewart, CCNP, CCSI, is a network administrator at CommScope, where he focuses on
design and implementation of an international IP network. Brent has worked in fiber-optic
manufacturing R&D, as a network consultant, and as a certified Cisco instructor. Brent
participated in the development of BSCI while with Global Knowledge and developed Internet-
based versions of several CCNP classes. Brent received a B.S. in physics from Lenoir-Rhyne
College and is currently finishing an M.S. in computer science/information security from James
Madison University.
Brent lives in Hickory, North Carolina, with his beautiful wife, Karen, and their wonderfully
mischievous children, Benjamin, Kaitlyn, Madelyn, and William.

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