The networking profession got its start decades ago, even before there were networks as we understand them today. From the 1960s through the 1980s, computer centers (as they were known then) had their support specialists who connected terminals and printers to mainframes through serial lines, and occasionally to modems, multiplexors, and other devices. These technicians were the plumbers of their day, and they're the plumbers today, indispensable in their skill in connecting systems and networks, facilitating the business use of computers. Networking today is a good deal more complicated than it was then, requiring more skills and knowledge.
There are more than enough books on networking, but until now, there was no clear guide to getting into the profession. Delivered in the same rich tradition of the Dummies series, Getting a Networking Job For Dummies is that clear guide on planning your entry into networking, no matter where you are in your career today: