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Why do we use Subnetting
                          Subnetting is the process of dividing a single network into multiple small networks.
    Converting host bits into network bits i.e. converting 0s into 1s
    Subnetting helps in minimizing the wastage of IP address.
For Example ... 
                      Basics of IP addressing
                      What is IP Address ?
IP is an address which is given to each and every device in a network.
It's a logical address given to devices in a network.
It Works in Network layer
IP Versions:
1> IPv4
  - 32 bits(represented by 0 and... 
                       
        
        
