Chapter 1: Basic concepts
Chapter 2: OSI and TCP/IP Models
Chapter 3: Digital transmission interfaces and modems
Chapter 4: Transmission Media
Chapter 5: Introduction to signals
Chapter 6: Encoding and modulation
Chapter 7: Multiplexing
Chapter 8: Datalink control protocols
Chapter 9: Lans and mans
Chapter 10: Switching
Chapter 11: Point to point protocols
Chapter 12: Integrated services digital network (ISDN)