Explanation:

- Topology (Option 1)

- The geometric arrangement of devices on the network is indeed called "Topology." It refers to the layout pattern of nodes, cables, and devices in a network.

- Protocols (Option 2)

- Protocols are rules and conventions for communication between network devices. They determine how data is transmitted across the network.

- Network (Option 3)

- A network is a group of interconnected devices that communicate with each other. It encompasses hardware, software, and infrastructure.

- Medium (Option 4)

- Medium refers to the physical channel through which data is transmitted, such as cables or wireless signals.