Explanation: In an Ethernet network, especially in a star topology, each node (computer, radio interface, etc.) connects via its own dedicated cable run directly back to a central device. This cabling method is known as a "Home Run." A **Hub** (or more commonly, a switch in modern networks) is the central device designed for this purpose. It provides multiple ports where individual Ethernet cables from each node converge, acting as the main interconnection point for the local network segment. * **A) Router:** A router connects *different networks* together (e.g., your home network to the internet). While it often contains a built-in switch, its primary function isn't solely to be the central "home run" point for a local segment. * **B) Backbone:** A backbone refers to the high-capacity central communication links that connect major network segments or nodes, not a single device that directly receives "home run" cables from individual end-nodes. * **C) Computer:** A computer is an end-device on a network, not a central apparatus for interconnecting multiple other devices via "home run" cabling. Understanding basic network components like hubs and switches is important for amateur radio operators setting up stations, particularly for digital modes, internet connectivity for applications like APRS or Winlink, and integrating various devices into a home network.