Creating a network of computers isn’t always as easy as they portray in shows and movies. It isn’t as simple as hooking up a few monitors to multiple CPUs or server systems. The process of creating and maintaining a networking system is a difficult and time consuming process that requires constant monitoring. Many companies require knowledgeable and experienced people who know their way around creating, maintaining and securing a network of computers and servers. A lot of big name companies hire certified technicians for this job.