Computer networks can also be classified into hardware and software technology that is used for various network devices, such as optical fiber, Ethernet, Wireless LAN, HomePNA, or Power Line Communications G.hn. Ethernet connectivity using physical devices, cables to connect. Many devices are used hubs, switches, bridges and / or routers.
Wireless LAN technology is designed to connect devices without cables. These devices use radio waves or infrared signals as a transmission medium.
ITU-T G.hn technology uses existing home wiring (coaxial cable, telephone and power lines) with high speed mode (up to 1 Gigabit / S) LAN.
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