A network engineer needs to connect two buildings that are 15 kilometers apart. Which cabling type would be the most appropriate choice?
Copper cabling (Cat6)
Twinaxial cable
Single-mode fiber
Multimode fiber
Single-mode fiber is the most appropriate choice for connecting locations that are many kilometers apart because it is designed for long-distance data transmission. It utilizes a single light path, which minimizes signal attenuation and allows for high bandwidth over distances exceeding 10 kilometers. Multimode fiber is better suited for shorter distances (typically up to 2 kilometers) due to modal dispersion, which can cause signal distortion over longer lengths. Copper cabling, such as Cat6, is limited to approximately 100 meters due to signal loss and susceptibility to electromagnetic interference, making it unsuitable for this scenario. Twinaxial cable is generally used for very short distances within data centers and is not practical for connecting buildings several kilometers apart.
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