Can someone explain me the difference between those three devices?
In: 1512
Imagine you live in a village where everyone exchanges letters.
You write a letter to a hub. It sends the letter to everyone in your village assuming only the right recipient will actually read it.
You write a letter to a switch. It actually reads the address and sends it to the correct house only.
You send a letter a router when you are sending letters outside of your own village.
If you live in just a small town you probably only have one router which also works as a switch.
In a big town there are lots of switches and one router they all connect to. You don’t have to worry about that though. You only have to send your letters to the closest switch, who will decide if it need to go to a house, another switch, or the router.
You don’t see hubs anymore except in some small rural towns who refuse to upgrade.
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