Introduction

Welcome to ONT! In 2006, Cisco Press came to me and told me, albeit very quietly, that there was going to be a major revision of the CCNP certification exams. Then they asked whether I would be interested in working on a command guide in the same fashion as my previous books for Cisco Press: the Cisco Networking Academy Program CCNA Command Quick Reference and the CCNA Portable Command Guide. The original idea was to create a single-volume command summary for all four of the new CCNP exams. However, early on in my research I quickly discovered that there was far too much information in the four exams to create a single volume; that would have resulted in a book that was neither portable nor quick as a reference. So when I jokingly ...

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