Question : In IT networking, which of the following devices is used in the physical layer?
Option 1: Repeater
Option 2: Router
Option 3: Transport Gateway
Option 4: Bridge
Correct Answer: Repeater
Solution : The correct answer is Repeater.
The repeater is a gadget used in the physical layer of IT networking. It is used to boost signals so that they can travel further. Repeaters receive a signal and then retransmit it at a greater power level. This permits the signal to go longer without being tampered with. In wired networks, repeaters are frequently used to increase the reach of a network segment. They may also be used to improve the signal strength of a wireless access point in wireless networks.
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