Appendix B. CCNP Security 642-637 SECURE Exam Updates, Version 1.0

Over time, reader feedback allows Cisco Press to gauge which topics give our readers the most problems when taking the exams. To assist readers with those topics, authors can create new materials that clarify and expand upon those troublesome exam topics. As mentioned in the Introduction, this additional content about the exam will be posted as a PDF document on this book’s companion website: www.ciscopress.com/title/9781587142802.

This appendix provides you with updated information if Cisco makes minor modifications to the exam upon which this book is based. When Cisco releases an entirely new exam, the changes are usually too extensive to provide in a simple updated appendix. In those cases, you need to consult the new edition of the book for the updated content.