Which of the following terms describes fiber optic cable configurations utilized in network setups?

The term that best describes fiber optic cable configurations utilized in network setups is topologies. In the realm of networking, topology refers to the arrangement or layout of different elements in a network, including how various devices, nodes, and connections are organized. This includes how fiber optic cables are structured to connect various points, such as switching equipment, servers, and endpoints.

Topologies can vary widely; for instance, common examples include star, ring, and bus topologies, each of which defines a different method of connectivity and communication through the fiber optic infrastructure. Understanding network topology is essential for optimizing performance and ensuring efficient data transmission, especially in setups that rely on the unique capabilities of fiber optics.

While the other terms—architectures, layouts, and formats—relate to aspects of design and implementation in a network, they do not specifically capture the comprehensive structure and arrangement aspect that "topologies" does. Architectures refer more to broader system designs, layouts may imply physical arrangement without the specific network context, and formats usually focus on data representation rather than network configurations. Therefore, topologies is the most precise term in the context of fiber optic cable configurations in network setups.