A network engineer needs to connect two buildings that are 2 kilometers apart. The connection must support high bandwidth with minimal signal loss over this distance. Which cable type is most suitable for this connection?
Single-mode fiber optic cable
Category 6 Ethernet cable
Coaxial cable
Multimode fiber optic cable
Single-mode fiber optic cable is ideal for long-distance connections exceeding several kilometers while maintaining high bandwidth and minimal signal loss. It uses a single light path, which reduces dispersion and allows data to travel longer distances effectively. Multimode fiber optic cable, while also supporting high bandwidth, is better suited for shorter distances (typically up to 550 meters) due to modal dispersion that can degrade the signal over longer lengths. Category 6 Ethernet cable and coaxial cable are copper-based and are significantly limited in both distance and bandwidth capacity over long runs, making them unsuitable for a 2-kilometer connection between buildings.
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