CCDA Official Exam Certification Guide, Third Edition, is a best-of-breed Cisco® exam study guide that focuses specifically on the topics for the DESGN exam. Senior networking consultants Anthony Bruno and Steve Jordan expertly cover the latest examcontent, helping you identify areas of weakness and improve your knowledge of Cisco network design. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.CCDA Official Exam Certification Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. Do I Know This Already? quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topiclists and concise Foundation Summary information make referencing easy and give you a quick refresher whenever you need it. Challenging chapter-ending review questions help you assess your knowledge and reinforce key concepts.The companion CD-ROM contains a powerful testing engine that allows you to focus on individual topic areas or take complete, timed exams. The assessment engine also tracks your performance and provides feedback on a topic-by-topic basis, presenting question-by-question remediation to the text. The CD-ROM contains an electronic copy of the book and more than 200 practice questions for the DESGN exam, all available in study mode, test mode, and flash card format.