A network engineer needs to connect two buildings that are 10 kilometers apart with a high-speed and reliable link. Which of the following transmission media would BEST suit this need?
Category 6 twisted pair cable
Coaxial cable
Multimode fiber optic cable
Single-mode fiber optic cable
Single-mode fiber optic cable is ideal for long-distance communications, supporting distances over 10 kilometers with high bandwidth and minimal signal loss. Multimode fiber optic cable is designed for shorter distances, typically up to 2 kilometers, due to modal dispersion. Category 6 twisted pair cable and coaxial cable are also limited in distance and bandwidth compared to single-mode fiber, making them unsuitable for a 10-kilometer connection.
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