In todays world for any company its computer network is the backbone of the business. Almost everything has to go through the influence of the computer network in one or the otherway. If this is implemented properly computer network prove to be an asset for the company it serve. The networks designed with a very deep understanding of all your needs and tuned in that particular manner provided an effortless productivity in terms of communication, resource sharing and management, Email delivery, secure internet access and on the top "Data Security",  Which is the most important thing in a business network.