Which type of network allows devices to connect to the Internet using cellular radio?

The correct answer is the type of network that specifically supports connections via cellular radio technology, which is designed to facilitate wireless communication over long distances. Cellular networks enable devices, such as smartphones or tablets, to access the Internet without needing a wired connection. This is made possible through a system of cell towers that communicate with mobile devices by using radio frequencies, allowing for mobility and widespread availability.

In contrast, Wi-Fi relies on local area networks that transmit data through radio waves but is typically confined to a limited range, such as within a home or office. Ethernet refers to a wired networking standard that transmits data over physical cables and does not utilize radio technology. Cable networks are also based on wired connections, generally using coaxial cables to deliver Internet service, and have no relation to cellular communications. Therefore, the only option that supports data transmission through cellular radio is the cellular network.