The new edition of the CCNA ICND2 640-816 Official Cert Guide has been updated with refreshed content, new exercises, and expanded coverage to help you succeed on the CCNA exams. The book includes revised chapters on important topics like VLSM, route summarization, and IP access control lists, along with practice exercises to reinforce your understanding. It also offers quizzes, exam preparation tasks, and realistic exam questions to test your knowledge. The companion DVD provides a practice test engine and a Network Simulator with lab exercises to improve your hands-on skills. This study guide by expert Wendell Odom helps you identify weak areas, improve your knowledge, and prepare effectively for the CCNA ICND2 exam.