1. Introduction to Computer Networks and Data Communications. 2. Fundamentals of Data and Signals. 3. Conducted and Wireless Media. 4. Making Connections. 5. Making Connections Efficient: Multiplexing and Compression. 6. Errors, Error Detection, and Error Control. 7. Local Area Networks: The Basics. 8. Local Area Networks: Software and Support Systems. 9. Introduction to Metropolitan Area Networks and Wide Area Networks. 10. The Internet. 11. Voice and Data Delivery Networks. 12. Network Security. 13. Network Design and Management.