The following topics are covered in this chapter:
Hierarchical Network Model
Networks can be broken down into four categories, depending on the geographic relation of the network components. These four network categories are as follows:
Wide Area Network (WAN)—. WANs use interconnections that span geographically separate networks. Figure 14-1 illustrates a WAN.
Figure 14-1. Figure 14-1. WAN
Campus Area Network (CAN)—. CANs interconnect local area networks (LANs) within a limited geographical space, such as a school campus or a military base. CANs are illustrated in Figure ...