What does an IP address represent?

An IP address serves as a unique identifier for a computer or device on a network. This uniqueness is crucial because it allows devices to communicate with each other over the internet or local networks without confusion. Each device connected to a network is assigned its own IP address, ensuring that data sent across the network reaches the correct destination. This is similar to how a home address works, allowing mail to be delivered to the correct location.

In contrast, while some options might seem related to networking or data, they do not accurately define what an IP address is. An IP address does not represent the physical location of servers, types of signals, or digital file formats; rather, its primary function revolves around identifying and enabling communication between devices.