Which technology allows a device to become part of a home network without physical cabling?

Wi-Fi is a wireless networking technology that enables devices to connect to a home network without the need for physical cabling. It operates using radio waves to transmit data between devices, allowing for greater mobility and flexibility in connecting computers, smartphones, smart appliances, and other devices within the home environment.

The primary advantage of Wi-Fi is its ability to provide high-speed Internet access and internal network communications across multiple devices in various locations within the home, all without the constraints of wires. This convenience has made Wi-Fi the standard for most residential networks for both streaming and general Internet access.

Options like Ethernet, although a reliable networking technology, require physical cables to connect devices, thus eliminating the possibility of a wireless connection. Bluetooth, while also a wireless technology, typically operates over shorter distances and is primarily used for connecting individual devices like headphones or keyboards rather than for creating a home network. Token Ring, on the other hand, is an older networking technology that used physical cabling and is no longer widely used.

Thus, Wi-Fi stands out as the correct choice for enabling wireless connections in a home network setting.