what is the concept of subnetting and why its used and
where it is used?

Answer Posted / shahid solanki

because of huge network, my office are in desparete
location. so here serial technolgy is required to connect
each other. so i will use router as my required deivce.
so rules of router is that two port of router shuod be in
diffrent subnet, but two directly connected router should be
in same subnet, & no two port of a router should ba same subnet.

ans1:- subnetting is nothing else but manipulating of mask.
ans2:- read above...
ans3:- in huge network, or in WAN

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