The official self-study test preparation guide for the Cisco CCNA INTRO exam 640-821

This best-selling study guide helps you master all the topics on the new CCNA INTRO exam, including:
TCP/IP and OSI networking modelsOperating Cisco routers and LAN switchesLAN switching basics, VLANs, and TrunkingIP addressing and subnettingBasic router configuration and operationDiscovering information about an IP networkDynamic routing protocolsAnalog modems, PAP/CHAP, DSL and Cable

"CCNA INTRO Exam Certification Guide" is a best-of-breed Cisco(r) exam study guide that has been completely updated to focus specifically on the objectives for the new CCNA INTRO exam. Senior instructor and best-selling author Wendell Odom shares preparation hints and test-taking tips to help you identify areas of weakness and improve both your conceptual and hands-on knowledge. This new edition is organized in a modular fashion, segmenting larger chapters into smaller, more easily digestible components. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

"CCNA INTRO 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. Chapter subject lists and Foundation Summary tables 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. Scenario-based exercises help you think about exam objectives in real-world situations, thusincreasing recall during exam time. The companion CD-ROM contains a powerful new testing engine that allows you to focus on individual topic areas or take complete, timed exams from INTRO or unified CCNA test banks. The assessment engine also tracks your performance and presents