The CCNA: Cisco Certified Network Associate Study Guide, 2nd Edition remains an affordable and reliable way to attain the core internetworking knowledge needed for Cisco's 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 objectives intact. This book has served many successful CCNA candidates as the cornerstone of their exam prep program, and can do the same for you. Written by Todd Lammle, a renowned Cisco internetworking expert who knows exactly what it takes to pass the test, this study guide includes: