Contents: Networking: an overview -- How LAN and WAN communication work -- Using network communication protocols -- Connecting through a wireless network -- Sharing resources on a network -- Using a server -- Understanding WAN connection choices -- Basic network design -- Securing your network -- maintaining and troubleshooting your network -- Appendixx A: A Short history of networking -- Appendix B: Network certifications and network equipment vendors -- Appendix C: List of acronyms.