While the basic Cisco Certified Network Associate (CCNA) Cisco exam will satisfy basic needs, the Cisco Certified Design Associate (CCDA) indicates more rigorous training and greater capability. CCDA Exam Certification Guide helps you get your rank CCDA, obviously, but beyond just test preparation by explaining the concepts that govern the behavior of Cisco data networking equipment. Look in this book - authorized by Cisco, and written with the help of some employees - for the background material you need to understand product manuals and command-line help. The authors begin each chapter with a quiz that is intended to measure your understanding of the subject (IPv6 addressing, for example) and thereby help you spend your study time wisely Wall. - David Topics covered: The subjects covered Certified Design Associate (CCDA) Cisco exam (640-861).