Networking Essentials Unleashed

{ Gain expert knowledge of the physical layer of the OSI model (Chapter 3) { Learn about different wireless technologies, including infrared and radio (Chapter 4) { Use the circuit and packet switched transmission facilities (Chapters 16-17) { Discover how to use modems and dial-up technologies in your WAN (Chapter 17) { Manage and fine-tune your network's performance (Chapter 20) { Secure the data on your network (Chapter 21) { Build fault-tolerant systems using redundant arrays of inexpensive disks-RAID (Chapter 22) { Learn about the different types of remote access for NT networks (Chapter 23) { Prevent and troubleshoot problems with your network (Chapters 25-26) { Discover how intranets, extranets, and VPNs differ, and when their deployment makes sense (Chapter 25)