In this morden world one can see almost all using computer either as a PC or Laptops. Every one atleast using internet once in a month. If one opts for a internet connection he goes for the operator of a particular network,so as to get it fixed. He maynot be sure wheather the switches and the routers used are of good security model.
There are some companies that offer you such devices with a warrenty more than 2 years and with good falseproof. The most important one in network is that the Server, which is the backbone. The switch ,router forms the basic way for the telecommunication.