SSC CGL 2020 APPLICATIONS ARE CLOSING- HURRYYY!!! (with Alternate IP Link)

 

SSC CGL 2020

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Computer Awareness for IT OFFICER

What’s the Difference between a Hub, a Switch, and a Router?

Hubs, switches, and routers are all devices that let you connect one or more computers to other computers, networked devices, or even other networks. Each has two or more connectors called ports into which you plug in the cables to make the connection. Varying degrees of magic happen inside the device and therein lies the difference. I often see the terms misused, so let’s clarify what each one really means.

That’s it.

If a message comes in for computer “A”, that message is sent out all the other ports, regardless of which one computer “A” is on:

And when computer “A” responds, its response also goes out to every other port on the hub: