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The term that refers to a computer network not connected by physical cables is "Wireless Network." This type of network uses radio waves, infrared, or other wireless communication methods to connect devices without the need for traditional wired connections. Wireless networks allow for mobility and flexibility, enabling devices such as laptops, smartphones, and tablets to connect to the internet or each other without being tethered to a specific location.

Wired networks rely on physical cables, such as Ethernet cables, for connectivity, which is distinct from wireless networks. Local networks often refer to a network covering a limited geographical area, such as a home, office, or building, and can be either wired or wireless. Virtual networks represent a more abstract concept where resources are shared across a network but do not necessarily pertain to the physical connectivity of devices. Thus, the correct choice accurately identifies the type of network that operates without physical cabling.