Computer networking is a broad field of telecommunications tying together data with voice and other services. In networking, you will install cables, design how various devices connect with each other and the Internet, and configure switches, routers, and wireless access points. It also includes powerful hardware and network operating systems like Windows Server and Linux, and all of their running services like Apache, Exchange, and Office 365. Some common job listings include network architect, administrator, engineer, technician, and others.