CCNP Switching Exam Prep - Exam: 640-504 Author:Sean Odom, Doug Hammond, Hammond, Doug Includes a comprehensive tutorial on the curriculum objectives for the new CCNP Switching exam (640-504), and all necessary study materials to pass the new CCNP Switching exam. Offers a proven method for in-depth study, review, and real-life practice. Provides all of the overviews, concepts, and terminology necessary to help candidates get up to... more » speed on the new certification as quickly as possible. Provides focused sample exams with skill assessment to help the candidate test their knowledge.« less