Final answer:
A full-duplex connection allows simultaneous bidirectional data transmission between devices, unlike half-duplex or simplex systems.
Step-by-step explanation:
A full-duplex connection allows both devices to send and receive data at the same time. In full-duplex mode, communication happens simultaneously, which is akin to a two-way street where traffic flows in both directions at once. This is in contrast to half-duplex where devices take turns to send or receive data, and simplex where one device can only send and the other can only receive. Full-duplex systems are commonly used in telephone networks, networks using Ethernet standards, and other forms of communication technology.