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 con...