The only connectivity options that we had during the early times were that of rigid but robust static connections where a pc is connected to the internet via the fixed wired connection. Thou this technology is most used, most efficient and most secured but the biggest disadvantage of this technology is that the user has to be rigid to a particular location, and cannot move to an alternative location with his network working. This caused lots of problems to the users who have to move frequently in a campus. View More....
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