The new edition of bestselling Official Cert Guide is available: CCNA ICND2 640-816 Official Cert Guide, Third Edition (ISBN: 978-1-58720-435-7) by Wendell Odom has been updated to refresh the content, add new exercises, and enhance certain topics that are key to understanding for success on the CCNA exams. Chapters on VLSM, route summarization, and IP access control lists have been completely revised. In addition the book contains new practice exercises for all three of these topics to help reinforce the concepts and increase computation speed for exam preparation.
