TestOut LabSim A+ Certification 2025 – 400 Free Practice Questions to Pass the Exam

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In which topology do devices act as repeaters, forwarding signals to the next device?

Star

Bus

Mesh

Ring

In a ring topology, devices are connected in a circular fashion, and each device is responsible for passing data to the next device in the sequence. When a device receives a data signal, it acts as a repeater by forwarding that signal to the next device in the ring. This means each device not only transmits its own data but also helps in relaying information from other devices, ensuring that the signal can continue around the circle.

This forwarding mechanism enables the ring topology to operate efficiently, but it can also introduce latency, as each device must receive the signal, process it, and then pass it on. It's important to understand this characteristic, as it differentiates ring topology from other types, where the forwarding or relaying of signals may occur differently or not at all. In contrast, star topology relies on a central hub, bus topology transmits data along a single cable, and mesh topology allows for multiple paths without relying on a singular forwarding mechanism from one device to the next.

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