Take your first step to CCNA certification From bestselling author Todd Lammle comes the most up-to-date book exam, 640-821 CCNA exam on the popular first two lines exams Cisco Cisco Certified Network Associate (CCNA) certification. Inside you'll find: Complete coverage of all exam objectives in a systematic approach, so you can be confident you get the instruction you need Practical hands-on exercises to reinforce critical skills Real-world scenarios that show life outside the classroom and put what you learn in the context of actual job roles Challenging review questions in each chapter to prepare you for exam day Exam Essentials, a key feature at the end of each chapter that identifies critical areas you must become proficient in before taking exam 640-821 A handy tear card that every official exam objectives map to the relevant chapter in this book, so you can track your exam preparation with the aim of objectively Look inside for complete coverage of all exam objectives. Feature on CD SYBEX TEST ENGINE: Test your knowledge with advanced testing software.