Pt. 1. Introduction -- Ch. 1. Introduction to Data Communications -- Pt. 2. Network Fundamentals -- Ch. 2. Application Layer -- Ch. 3. Physical Layer -- Ch. 4. Data Link Layer -- Ch. 5. Network and Transport Layers -- Pt. 3. Network Technologies -- Ch. 6. Local Area Networks -- Ch. 7. Backbone Networks -- Ch. 8. Metropolitan and Wide Area Networks -- Ch. 9. The Internet -- Pt. 4. Network Management -- Ch. 10. Network Security -- Ch. 11. Network Design -- Ch. 12. Network Management -- App. A. Groupware -- App. B. Electronic Commerce -- App. C. Cellular Technology -- App. D. Connector Cables -- App. E. Systems Networks Architecture -- App. F. Token Ring -- App. G. TCP/IP Game.