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Table of Contents for the 640-821 Study Guide from Pass-Guaranteed.com:
(Keep in mind that each chapter below includes multiple subsections.)
1. Internetworking Fundamentals
2. IP Addressing and Subnets
3. The Cisco IOS
4. IP Routing
5. Link-State Protocols
6. Virtual LANs and Trunking
7. Access Control List Security
8. Wide Area Networks (WANs)
