Subnet mask means whtas used for ?

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Subnet mask means whtas used for ?

Postby Praveen » Sat May 02, 2009 12:46 pm

Subnet mask is used to identify the network id and host id of an IP address. When ever we mention a IP address/or assign a IP address we have to write the subnet mask.

the default subnet mask of class A IP is 255.0.0.0
default subnet mask of class B IP is 255.255.0.0
default subnet mask of class C ip is 255.255.255.0
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