Networking is the backbone of any IT infrastructure. It's one of the most interesting concepts of technology, at least for network engineers. For many people working with networking devices is interesting as millions of people rely on them. Some of them even find working inside a data center with servers and networking components interesting. Just think about the Google data centers where thousands of queries come every day and how strong their servers have to be to process those queries and revert the results to the users in a matter of minutes. There are so many components, from small to large,...