[sandeep_do7]

osi reference model,tcp/ip,mobile communication system,ip address,switching,routersnetwork protocol testing?protocols?manual testing?automation tool?scripting language?

[molasses2]

I almost gave this quesiton a star and was ready to answer in as much depth as I could, until I realized there's no question here.I am really not interested in playing guessing games with people who can't even take the time to write a complete sentence.