Ключевые слова: administrator, adsl, backbone, broadband, cable, communication, computer, connect, connection, connector, data, digital, digitally, electronic, equipment, ethernet, fiber, green, hardware, hub, industry, interface, internet, isolated, lan, link, megabit, net, network, networking, patch, plug, port, rj45, router, server, switch, technician, technology, telecommunication, wan, wire,