Question

A network segment where only one device can communicate at a time is known as a

Answer 1

The answer is communication media.

A network segment where only one device can communicate at a time is known as a communication media. In a LAN, the communication media is shared by all the devices on the network. Only one device is capable of transmitting information at a time on the communication media in the form of a broadcast. 

Answer 2

Collision Domain is A network segment where only one device can communicate at a time.