DevNet Associate DEVASC 200-901 Official Certification Guide by Adrian Iliesiu (z-lib.org)

Figure 17-5 Wide-Area Network

ELEMENTS OF NETWORKS

Now that you have seen the various types of networks,
let’s look at what constitutes a network. A network has
several basic components:

Hubs

Switches

Bridges

Routers

The following sections look at each of these elements in
detail and also look at the difference between them. In
the following sections you will see how to build a simple
home network in which you want to connect two or three
computers or devices.

Hubs