What technology allows devices to connect to the LAN via electrical outlets?

Powerline Networking is the technology that enables devices to connect to a Local Area Network (LAN) through electrical outlets. It operates by using the existing electrical wiring in a building to transmit data signals. The devices can send and receive data using adapters that plug into standard power sockets, allowing users to take advantage of their electrical infrastructure without the need for extensive cabling or additional wiring.

This technology is particularly useful in environments where Wi-Fi signals may be weak or obstructed, as it provides a stable and reliable connection across various rooms and floors. By leveraging power lines, Powerline Networking can extend network access to areas that may be challenging for traditional networking methods, making it a practical solution for improving connectivity in a home or office setting.

The other options represent different types of networking technologies that do not utilize electrical outlets for device connectivity. Wi-Fi relies on radio waves to connect devices wirelessly, Bluetooth is designed for short-range connections between devices, and Fiber Optic Networking uses specialized cables made of glass or plastic to transmit data as light signals. Thus, Powerline Networking stands out for its unique capability in utilizing existing electrical infrastructure.