OCN-Q2

Which of the following is a common source of light in optical fiber communication systems?

• a) LED (Light Emitting Diode)

• b) Incandescent bulb

• c) Laser diode

• d) Fluorescent lamp

Which type of dispersion affects single-mode fibers the most?

• a) Chromatic dispersion

• b) Modal dispersion

• c) Polarization mode dispersion

• d) Material dispersion

Which component is used to connect and splice optical fibers?

• a) Optical amplifier

• b) Optical coupler

• c) Optical connector

• d) Optical repeater

In an optical fiber communication system, what is the role of an optical amplifier?

• a) Increase the signal frequency

• b) Boost the optical signal power

• c) Convert light signals to electrical signals

• d) Reduce signal noise

Which of the following factors can cause signal loss in an optical fiber?

• a) Absorption

• b) Scattering

• c) Bending

• d) All of the above