Certified Fiber Optics Practice Exam

In regards to fiber optics, what does the term "splice" refer to?

1. Joining two fiber optic cables

2. Testing the integrity of a cable

3. Measuring light output

4. Adjusting signal strength

The correct answer is: Joining two fiber optic cables

The term "splice" in fiber optics specifically refers to the process of joining two fiber optic cables together. This is a critical procedure as it creates a continuous optical pathway for light to travel through the fibers without significant loss. A splice can be achieved through different methods, such as fusion splicing or mechanical splicing. Fusion splicing involves melting the ends of the fiber cables together using an electric arc, which ensures a low-loss connection by aligning the fibers precisely. Mechanical splicing, on the other hand, aligns the fibers using a special fixture and employs an adhesive to hold them in place. Splicing is essential for repair purposes, extending the lengths of cable runs, and integrating multiple fiber strands in a network. The other options pertain to different aspects of fiber optics but do not define what a splice is. Testing the integrity of a cable involves evaluating its overall performance and functionality, while measuring light output relates to assessing the signal strength traveling through the fiber. Adjusting signal strength typically involves using amplifiers or other equipment to enhance the transmission signal, rather than joining two fiber cables. Thus, the definition of a splice distinctly centers on the act of joining two fiber optic cables.