Answer Posted / nikunj pujara
SWITCH: It is used to connect all devices on a network so that they can communicate with each other. but first time it will do broadcast and from second time onwards it will do unicast.
HUB: it is generally used to connect all devices on a network so that they can communicate with each other. it always do broadcasting.
ROUTER:router is device which allows communication between two or more different networks present in different geographical locations.
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