Hubs are a kind of old-school networking technology that you can use to connect several devices into a network segment. For the most part, network administrators have replaced their hubs with more advanced network tech….

Ports are virtual locations within a device where connections start or end. A device’s operating system manages these ports, which are typically dedicated to a specific process or service. When a device needs to transmit…

Computer networks are vitally important structures in the modern world. The best-known and most widely-used public computer network is the World Wide Web, although there are many others throughout the world, both public and private….