CST3507 Chapter 3 Que Spring 2020 Date Name: 1. What are the light waves just below the frequencies in the visible spectrum extending up called Sub-light waves b. Infrared light waves c. Refractive waves d. Multimode waves e Polar waves 2. What is the material surrounding the core of an optical waveguide called? . Cladding b. Aperture c. Mode field d. Step-index e. Graded-Index 3. Which of the following terms refers to broadening of a light pulse as it propagates through a fibertrand a. Pulse shaping b. Diffusion c. Absorption d. Dispersion 4. Which of the following terms is caused by refractive index fluctuations and accounts for 96% of attenuation loss? a. Scattering b. Absorption c. Dispersion d. Diffusion 5. Which of the following terms refers to loss due to light breaking up and escaping into the cladding? a. Microbending b. Scattering c. Macrobending d. Absorption 6. Fusion-splicing is characterized by which of the following? a. A temporary method for splicing fiber b. An inexpensive alternative to mechanical splices c. Requires index-matching gel d. A long-term method where two fibers are fused or welded together 7. What is the name of the optical-to-fiber interface used at 10 gigabits? a. GBIC b. 10GBIC c. XENPAK d. ZENPAK