Windows Server 2019 Administration Fundamentals - Second Edition

WAN

Unlike a MAN, a WAN (as shown in Figure 1.5) is a computer network that covers a wide geographic area using dedicated telecommunication lines such as telephone lines, leased lines, or satellites. WANs cover large geographic areas and, as such, they do not have geographic restrictions. The internet is the best example of a WAN:

Figure 1.5: A Wide Area Network

Now that we've understood the different types of computer networks, let's take a look at the underlying components that make up these networks.