Ключевые слова: abstract, background, bandwidth, black, blue, broadband, cable, cables, cat5, color, colorful, communication, computer, connect, connection, cord, data, digital, electric, equipment, ethernet, fiber, fibre, global, green, group, industry, information, internet, isolated, lan, line, link, modem, network, networking, optic, orange, plug, red, rj45, switch, technology, telecommunications, web, white, wire, wired, wires, yellow,