Can u Tell me the IMPORTANCE of SUBNETTING.?

Question

consider i am provided with a address

192.168.0.20/28 . how will u find th DefaultGateway and Network ID and Number of nodes. upto how many IP u can assign with this address, explain in detail plzzzzzzzzzzz....

Answer 1

In a Nutshell

Subnets are important for keeping the amount of broadcast traffic to a minimum.

Head to the site below for a more detailed info--if you dare

Answer 2

Here are some sites to learn and practice subnetting:

http://easysubnet.com/

http://subnettingquestions.com