CCNA Exam Notes CISCO Certified Network Associate Exam 640507 Author:Todd Lammle, Sean Odom CCNA: Cisco Certified Network Associate Exam Notes, 2nd Edition provides the fastest and most effective way to make sure you're ready to pass the CCNA exam. Cisco recently changed the exam number (old version: 640-507; new version: 640-607) and question formats (simulation and drag-and-drop questions have been added), but they left the exam obje... more »ctives intact. Organized by exam objectives, the unique, innovative Exam Notes approach helps you gain and retain the knowledge you need to approach the exam with confidence.« less