BICSI IN250 Optical Fiber
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. The two most common multimode optical fiber types. - Correct Answer:
62.5/125 and 50/125 pm
2. The type of fiber ideal for indoor (or inside building) installations -
Correct Answer: Bend-insensitive
3. What jacket color that signifies single-mode fiber cordage as specified in
TIA-598. - Correct Answer: Yellow
4. When using dBm power levels below ____ are negative values for example -
3dBm. - Correct Answer: 1mW
5. Which of these expresses the ratio between power in and power out
(attenuation). - Correct Answer: dB
6. Which of the following is safer to use when inspecting a fiber endface. -
Correct Answer: Visual Fault Locator
, 7. Fiber optic transmission takes place in the _____ portion of the spectrum. -
Correct Answer: Ultraviolet
8. The maximum insertion loss for a splice as specified by the TIA 568-3.D
standard. - Correct Answer: 0.3 dB
9. Term use to describe The bending of a light wave caused by a speed change
passing from one transparent medium to another. - Correct Answer:
Refraction
10.In figure F1 the connector plug on the right has not been fully inserted into
the mating sleeve. This results in an air gap that produces a ____ Fresnel
reflection - Correct Answer: Fresnel reflection
11.As the ____ decreases, the number of modes in an optical fiber increases. -
Correct Answer: Wavelength
12.Which of the following type of fiber that has minimal (or NO) amount of
modal dispersion. - Correct Answer: 9/125 um
13.The government agency that writes and enforces safety rules for the
workplace. - Correct Answer: OSHA
14.An optical ____ is a passive device used to reduce the power level of an
optical signal - Correct Answer: Attenuator
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. The two most common multimode optical fiber types. - Correct Answer:
62.5/125 and 50/125 pm
2. The type of fiber ideal for indoor (or inside building) installations -
Correct Answer: Bend-insensitive
3. What jacket color that signifies single-mode fiber cordage as specified in
TIA-598. - Correct Answer: Yellow
4. When using dBm power levels below ____ are negative values for example -
3dBm. - Correct Answer: 1mW
5. Which of these expresses the ratio between power in and power out
(attenuation). - Correct Answer: dB
6. Which of the following is safer to use when inspecting a fiber endface. -
Correct Answer: Visual Fault Locator
, 7. Fiber optic transmission takes place in the _____ portion of the spectrum. -
Correct Answer: Ultraviolet
8. The maximum insertion loss for a splice as specified by the TIA 568-3.D
standard. - Correct Answer: 0.3 dB
9. Term use to describe The bending of a light wave caused by a speed change
passing from one transparent medium to another. - Correct Answer:
Refraction
10.In figure F1 the connector plug on the right has not been fully inserted into
the mating sleeve. This results in an air gap that produces a ____ Fresnel
reflection - Correct Answer: Fresnel reflection
11.As the ____ decreases, the number of modes in an optical fiber increases. -
Correct Answer: Wavelength
12.Which of the following type of fiber that has minimal (or NO) amount of
modal dispersion. - Correct Answer: 9/125 um
13.The government agency that writes and enforces safety rules for the
workplace. - Correct Answer: OSHA
14.An optical ____ is a passive device used to reduce the power level of an
optical signal - Correct Answer: Attenuator
