TestOut LabSim A+ Certification Practice Exam

In which topology does each device have a dedicated connection to every other device?

1. Mesh

2. Star

3. Ring

4. Bus

The correct answer is: Mesh

In a mesh topology, each device is connected directly to every other device in the network. This structure allows for high redundancy and multiple pathways for data transmission. If one connection fails, the remaining connections can still facilitate communication between the devices, providing robustness against failures. This topology is ideal for networks requiring continuous uptime and reliability since it minimizes the risk of a single point of failure. In contrast, the star topology relies on a central hub or switch to connect all devices, which can create a single point of failure. In a ring topology, devices are arranged in a circular formation, and data travels in one direction, connecting each device sequentially. The bus topology uses a single central cable to which all devices connect, making it less reliable if the main cable fails. Hence, the mesh topology's unique characteristic of having dedicated connections among all devices distinguishes it as the correct answer to the question.