1.2. Select the components required to meet a network specification
As mentioned in the previous objectives, we use routers, bridges, and switches in an internetwork.
Figure 1.3 shows how a network would look with all these internetwork devices in place. Remember that the router will not only break up broadcast domains for every LAN interface, it will break up collision domains as well.
When you looked at Figure 1.3, did you notice that the router is found at center stage and that it connects each physical network together? We have to use this layout because of the older technologies involved—bridges and hubs.
On the top internetwork in Figure 1.3, you'll notice that a bridge was used to connect the hubs to a router. The bridge breaks up collision ...
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