This book is updated for the latest CCNA Exam. Here's the book you need to prepare for Cisco's revised CCNA exam, 640-801. This new edition of the best-selling CCNA Study Guide provides: In-depth coverage of every CCNA exam objective; practical information on Cisco internetworking solutions; hundreds of challenging review questions; leading-edge exam preparation software, including a test engine, sample simulation questions, and electronic flashcards. It provides authoritative coverage of all exam objectives, including: Network planning and designing Implementation and operation LAN and WAN troubleshooting.