Chapter 1: Introduction to Networking, Chapter 2: Introduction to Data Communication, Chapter 3: Introduction to Computer Architecture, Chapter 4: Communication Channels and Media, Chapter 5: Modem, Digital Subscriber Line (DSL) and Cable Modem, Chapter 6: Multiplexer and Switching Concepts, Chapter 7: Standard Organizations and Open System Interconnection Model, Chapter 8: Ethernet and IEEE802 Local Area Networks, Chapter 9: Token Ring or IEEE 802.5, Chapter 10, Fast Ethernet, Chapter 11: 100 VG AnyLan, Chapter 12: Local Area Networks Switching, Chapter 13: Gigabit Ethernet, Chapter 14: Local Area Interconnection Devices, Chapter 15: Fiber Distributed Data Interface (FDDI), Chapter 16: Synchronous Optical Transmission (SONET), Chapter 17: Narrowband Integrated Service Digital Network (N-ISDN), Chapter 18: Frame Relay, Chapter 19: Internet and TCP/IP, Chapter 21: Asynchronous Transfer Mode (ATM) Chapter 21: Network Operating System (NOS), Appendix A: Acronyms.