A primary text for intermediate level courses in Cisco certification and network support.Cisco CCNP Support Exam Certification Guide offers a comprehensive coverage of the Cisco CCNP Support Exam #640-606. The ONLY Cisco Systems-endorsed study guide, it covers all major topic areas and objectives for the exam. The book focuses on review of the concepts involved in diagnosing, isolating, and correcting network problems. Review and practice thoroughly cover five major areas, including 1. Troubleshooting resources, tools, and methodology, 2. Understanding Data-Link Layer troubleshooting, fast switching methods, and buffering technologies, 3. Network Layer protocol troubleshooting, 4. Troubleshooting Catalyst 5000 switches, and 5. Troubleshooting WAN connections. Foundation summary sections concisely outline major concepts for quick reference. Scenario based exercises and chapter 'ending review questions reinforce retention and recall of exam topics. Finally, over 200 additional practice questions on the companion CD enable students to build and take random sample tests. The robust test engine provides students with a variety of features, including progress tracking, answer randomization, testing by topic area or in a simulated exam environment, and various study modes that review answers and refer to electronic text to reinforce concepts.