Ключевые слова: background, black, broadband, business, cable, closeup, communication, computer, computers, concept, connect, connecting, connection, data, digital, equipment, ethernet, hub, internet, isolated, lan, light, line, link, modem, net, network, networking, object, plug, port, ports, rj45, router, routers, security, server, socket, speed, switch, technology, wan, web, white, wifi, wired, wireless,