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Most networks employ devices for routing services. Routers
work at which OSI layers?

Answer Posted / imthiyazpathan

All of them are devices and are used in network. Their
differences are:
Router: Layer 3 device, can work on physical, data and
network layer.
Switch: Layer 2 device, can work on data link layer
Bridge: Layer 2 device, can work on data link layer.
Hub: Layer 1device, just a multi-port repeater and works on
physical layer

Is This Answer Correct ?    8 Yes 1 No



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