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Question:

To provide an Ethernet connection while utilizing the power infrastructure of a building, which of the following technologies can be used?

A Ethernet over Power
Explaination

Ethernet over Power, also known as Power-line Communication, is a technology that permits Ethernet signals to be carried over a building's normal electrical power wire. This is useful in circumstances where neither WiFi nor the installation of a new Ethernet cable is possible. Adapters with an RJ-45 connection that plugs into a wall power outlet are commonly used to do this.