What topology defines the layout of a network's devices and media?

The physical topology of a network specifically refers to the actual arrangement and layout of the network's devices, cables, and physical connections. This includes how devices are connected, the types of cables used (such as coaxial, fiber optic, or Ethernet), and the positioning of network equipment like switches, routers, and computers. Understanding physical topology is crucial for network planning and troubleshooting, as it affects the performance and scalability of the network.

In contrast, logical topology describes how data flows within the network irrespective of the physical connections. This means it focuses more on the paths that data packets take rather than how the devices are physically connected.

Other topologies like star and hybrid describe specific configurations of network architecture but do not encompass the broader definition needed to address the layout of devices and media comprehensively. Thus, the physical topology best captures the essence of the network's structure as defined by the arrangement of devices and connections.