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In a home network setup, the infrastructure connection type facilitates multiple devices sharing a single Internet service. This is typically achieved through a router that connects to the Internet service provider and allows various devices—such as computers, smartphones, tablets, and smart home devices—to connect wirelessly or through Ethernet cables.

The infrastructure mode is designed to support multiple clients, providing a centralized point for connecting and routing traffic. This means that as long as devices are connected to the same network managed by the router, they can all access the Internet simultaneously without interference, enabling efficient use of a single Internet connection.

Wired connections can also share Internet services, but they generally refer to direct connections between devices using cables, which may not be as flexible for multiple devices as a wireless infrastructure setup. Ad hoc connections are temporary and peer-to-peer, which are not suited for permanent setups sharing Internet; they allow direct connections between devices without a centralized network management. The client-server model describes a network architecture where clients request resources or services from servers, but it does not specifically address the concept of multiple devices sharing a single Internet service. Therefore, the infrastructure type is the most fitting answer for sharing Internet access in a home network.