" CCDA Exam Certification Guide " is a comprehensive study tool for DCN Exam #640-441. Written by a CCIE and a CCDA, and reviewed by Cisco technical experts, " CCDA Exam Certification Guide " will help you understand and master the exam objectives. In this solid review on the design areas of the DCN exam, you'll learn to design a network that meets a customer's requirements for performance, security, capacity, and scalability. Each chapter of " CCDA Exam Certification Guide " teaches you CCDA-related technologies and solutions through specially designed assessment and study features. " Do I Know This Already ? " quizzes help you plan your chapter study, section-by-section objective lists keep you focused on the exam material you need to master, case studies challenge your design skills, and chapter-ending quizzes test your retention of chapter lessons. Finally, practice questions on the companion CD-ROM enable you to take random sample exams or to focus on an objective area of your choice. The " CCDA Exam Certification Guide " is part of a recommended study program from Cisco Systems that includes training courses and materials from Cisco's Worldwide Training program, hands-on experience, and course books and exam guides from Cisco Press. This book covers the design areas of the DCN exam and assumes you are familiar with internetworking technologies fundamentals. If you need to supplement your study to include these fundamentals, see the Internetworking. Technology Multimedia CD-ROM from Cisco Systems or the Internetworking Technology Handbook from Cisco Press. Coverage of the CCDA exam design objectives enables you to discover your knowledge gaps before the exam date. You'll learn to characterize a customers existing network and identify customer needs. You'll learn to simplify the complexities associated with analyzing customer network problems and creating Cisco scalable solutions. You'll learn to predict the amount and types of traffic caused by a customer's applications. You'll learn to recommend Cisco products, LAN/WAN technologies, routing and bridging protocols, and Cisco IOS software features that will meet a customers requirements for performance, capacity, and scalability in small to medium sized networks. You'll learn to assemble Cisco product lines into an end-to-end networking solution. You'll learn to build a prototype or pilot of the network structure and demonstrate it so that the customer understands that the proposed design meets requirements.