Ccnp security secure 642 637 official cert guide is a comprehensive self study tool for preparing for the secure exam this book teaches you how to secure cisco ios software router and switch based networks and provide security services based on cisco ios software. Ccnp security secure 642 637 official cert guide sean wilkins franklin h smith iii copyrightc 2011 pearson education 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. Ccnp security secure 642 637 official cert guide focuses specifically on the objectives for the ccnp security secure exam senior networking consultants sean wilkins and trey smith share preparation hints and test taking tips helping you identify areas of weakness and improve both your conceptual knowledge and hands on skills. Ccnp security secure 642 637 official cert guide is a comprehensive self study tool for preparing for the secure exam this book teaches you how to secure cisco ios software router and switch based networks and provide security services based on cisco ios software. Ccnp security secure 642 637 official cert guide is a comprehensive self study tool for preparing for the secure exam this book teaches you how to secure cisco ios software router and switch based networks and provide security services based on cisco ios software