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Fiber optic Test Questions with All Correct Answers

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Fiber optic Test Questions with All Correct Answers What form of dispersion affect bandwidth in both multimode and singlemode fiber - Answer- Chromatic dispersion Most plastic optical fiber are - Answer- Large core step-index When you strip singlemode or graded index multimode mode glass fi...

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  • September 21, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • fiber optic
  • fiber optic test
  • fiber optic test questions with all correct answer

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Fiber optic Test Questions with All
Correct Answers

What form of dispersion affect bandwidth in both multimode and singlemode fiber -
Answer- Chromatic dispersion

Most plastic optical fiber are - Answer- Large core step-index

When you strip singlemode or graded index multimode mode glass fiber you are
removing the - Answer- Primary buffer coating

The outermost layer of protection for an optic fiber cable is - Answer- The jacket

The proper method of pulling optical fiber is to attach the pull wire or tape to the -
Answer- Strength members

According to the text HYBRIDcables refer to cable that contain - Answer- Both
singlemode and multimode optical fibers

What type of fiber cable design allows for large number of fibers with ultra high density
low cost small size diameters? - Answer- Ribbon

When flexibility and ease of termination are priory the type of cable best suited is -
Answer- Tight buffer

What standard covers flammability requirements of fiber optic cables for installation in
premises application - Answer- NEC 770.50

According to the text Composite cable refer to cable that contain - Answer- Both optical
fiber and copper must be grounded

Which optical fiber cable must be grounded - Answer- All optical cable that contain
metal

Which NEC rated cable can be used in air handling space of building - Answer-
OFNP(US)

Optical fiber cable with a orange colored jacket generally indicates the cable contain -
Answer- Multimode fiber

, Premises cable jacket are usually color-code in what color to indicate singlemode fiber?
- Answer- yellow

The minimum bend radius for cable while pulling under tension during installation is -
Answer- 20 times the cable diameter

When pulling long length of cable in conduit or inner duct you may need to - Answer-
Any or all of these as appropriate
Use a breakaway swivel or monitor tension
Lubrica the cable
Pull from the center to the end.

In a loose tube buffer cable gel or absorbent tape is normally uesd - Answer- To prevent
water from entering the cable

What type of cable may require installation of breakout kit also called a function or fan
out kit for termination - Answer- Loose tube (loose buffer) cable

A fiber optic inspector microscope can increase the danger of high powerd light source
by focusing the light out of a fiber into your eyes. - Answer- True

A fiber optic power meter measures absolute power in dBm (dB reference to 1 mw) and
when a light source measures insertions loss in dB. - Answer- True

Confining light in a material by surrounding it by another material with lower refractive
index is the phenomenon of - Answer- Total internal reflection

The largest cause of attenuation in am optical fiber is - Answer- Scattering

When we say 62.5/125 fiber what does "62.5" means? - Answer- Core size, diameter in
microns

When we say 50/125 fiber what does "125" mean? - Answer- Cladding size the
diameter in microns

An older multimode fiber design with a 50/125 micron core is now option in premises
cabling system because it - Answer- Has a higher bandwidth which gives more distance
capability with gigabit network

In multimode fiber the attenuation of the fiber is __________ at 850 nm that's 1300 nm -
Answer- Higher

Which of the following represent a singlemode fiber size ? - Answer- 9/125

Singlemode fiber has ______ bandwidth in both multimode and singlemode fiber -
Answer- Greater

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