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)