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    Question

    In a mission-critical network requiring fault tolerance

    and multiple redundant paths, which of the following topologies provides the highest level of redundancy? 
    A Bus Correct Answer Incorrect Answer
    B Ring Correct Answer Incorrect Answer
    C Star Correct Answer Incorrect Answer
    D Mesh Correct Answer Incorrect Answer
    E Hybrid Correct Answer Incorrect Answer

    Solution

    The Mesh topology is known for its fault tolerance and redundancy. In a full mesh network, each node is connected to every other node, creating multiple paths for data to travel. This topology provides a high level of redundancy because if one link fails, data can still be routed through alternate paths. Mesh networks are typically used in environments where continuous availability is critical, such as in financial institutions, military communications, or data centers. The resilience of a mesh network makes it the best choice when fault tolerance is a top priority. Why Other Options are Incorrect: A) Bus: The Bus topology has a single point of failure; if the main cable fails, the entire network goes down. B) Ring: Although the Ring topology provides some redundancy, it does not offer the same level of fault tolerance as a Mesh topology. If one node fails, data may not be able to circulate. C) Star: In a Star topology, all nodes are connected to a central hub. If the hub fails, the entire network is affected. E) Hybrid: Hybrid topology combines features of multiple topologies, but its fault tolerance depends on the specific combination. It does not inherently provide the same level of redundancy as a full Mesh topology.

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