Certified Fiber Optics Practice Exam 2026 – All-in-One Guide to Mastering Your Certification!

The primary advantage of fiber optics compared to copper cables is the ability to achieve higher data transmission speeds. Fiber optic cables utilize light to transmit information, which allows them to carry a significantly larger amount of data at much faster rates than copper cables that rely on electrical signals. This difference in transmission medium is crucial; light signals can travel longer distances without degradation and support higher bandwidths. Consequently, fiber optics are ideal for high-speed internet connections, telecommunications, and data centers where large volumes of data need to be transmitted swiftly and efficiently.

In contrast, while copper cables can be less expensive initially, they are limited in speed and bandwidth and are more susceptible to interference and signal loss over longer distances. Additionally, fiber optics have a much smaller physical size compared to copper cables, making option C incorrect. Lastly, fiber optics do not experience electrical interference, which further enhances their reliability and performance in various applications.