The technology that allows multiple devices to connect to the internet over a single network is Wi-Fi. This wireless networking technology enables devices such as smartphones, laptops, and smart home appliances to access the internet without the need for physical connections. Wi-Fi operates through radio waves, providing a convenient and flexible means for users to connect and share resources across different devices. Additionally, modern Wi-Fi standards enhance speed, range, and security, making it an essential aspect of today's connected environments.