Chapter 1, Differentiating between Internets, Intranets, and Extranets, provides you with an understanding of what a network is, before going into the details of internets, intranets, and extranets, describing each of these in turn. The chapter also introduces a number of basic security mechanisms, including firewalls and demilitarized zones. It goes on to explain how to configure internet security zones on a Windows client.
Chapter 2, Understanding Local Area Networks, gives you an overview of what the author describes as scales of networks, defining the differences between LANs, WANs, PANs, MANs, and CANs. In this chapter, we focus on local area networking, and explain the use of IP addresses, hostnames, and MAC addresses ...
