As you have already seen, a switch breaks a collision domain. Taken a step further, a router breaks a Broadcast domain, which means a network would look something like the following figure:
Figure 2.13 – Routers Separate Broadcast Domains
Before we continue, let’s discuss what a LAN really is. A LAN is essentially a Broadcast domain. In the network shown in Figure 2.13, if PC-A sends a Broadcast . . .
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