ISC2 Systems Security Certified Practitioner (SSCP) Practice Question
During a site survey of a legacy manufacturing floor, you discover that every workstation is attached to the same 50-ohm coaxial trunk via BNC T-connectors, with terminators installed at both ends. Users report frequent frame collisions, and a single break in the cable disables the entire segment. From a security and availability standpoint, which statement accurately describes this network design?
It is a star topology using passive coax; replacing the trunk with twisted-pair cables but keeping the same physical layout will keep the topology unchanged while eliminating collisions.
It is a mesh topology that provides redundant paths, so the reported outages indicate a mis-configured switch rather than a cabling issue.
It is a bus topology; the shared backbone is a single point of failure and all devices contend for the same medium, leading to collisions and complete outage if the cable is damaged.
It is a ring topology that passes a token, so a cable fault should only affect the two adjacent stations and collisions should be impossible.
The scenario describes a classic bus topology implemented with coaxial cabling (for example, 10BASE2). In a bus, all nodes share a single communication medium; therefore every frame is seen by every station, making eavesdropping simple and collision probability high. Because the backbone is a single continuous cable that must be properly terminated, any physical break or missing terminator disrupts communication for every host. Star, ring, and mesh topologies do not match the described cabling method, and each would behave differently with respect to collisions or fault tolerance.
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ISC2 Systems Security Certified Practitioner (SSCP)
Network and Communication Security
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