User:Laxmandusi

SUBNET MASKING: -

Def: -	A subnet mask is a 32 bit identifier used by the devices to differentiate network bits and host bits of a given class ip address In subnet mask network are represented with binary “1” s and host bits are represented with binary “0” s	The subnet mask helps any in internet to identify its network address and broadcast address. Class	 No of n/w bits	      No of host bits	          Default S.mask A	    8	                     24	                      255.0.0.0 B	    16	                     16	                      255.255.0.0 C	    24	                      8	                      255.255.255.0