Final answer:
The topology being used is a bus topology where all devices are connected to a single trunk cable. If there's a break in the network media, the network becomes unavailable.
Step-by-step explanation:
The topology referred to in this question is a bus topology. In a bus topology, all devices are connected to a single trunk cable, which is a central communication line. When there is a break in the network media, such as a cable being cut or damaged, the network becomes unavailable because the devices are no longer able to communicate with each other.
The bus topology is a simple and cost-effective way to connect devices, but it has a single point of failure because if the trunk cable is damaged, the entire network is affected. This makes it important to have a backup or redundancy plan in place to ensure network availability in case of such failures
One example of a bus topology is the Ethernet network. In an Ethernet network, each device is connected to a central cable called a coaxial cable or a twisted-pair cable.
If there is a break in the cable, the network devices will not be able to communicate with each other, resulting in network unavailability.