Chapter 1: Overview of Physical Layer     
Chapter 2: Data Link Layer and Data Link Protocols      
Chapter 3: LAN Technologies     
Chapter 4: Integrated Services Digital Network     
Chapter 5: Frame Relay     
Chapter 6: Asynchronous Transfer Mode      
Chapter 7: Network Layer     
Chapter 8: User Datagram Protocol & Transmission Control Protocol      
Chapter 9: Application Layer      
Chapter 10: Network Security