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Fiber Optics Exam Questions and Correct Answers (Verified Answers) Newest Version

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Fiber Optics Exam Questions and Correct Answers (Verified Answers) Newest Version Why does Grades Index fiber use numerous concentric layers of glass, - Answer To prevent modal dispersion What is the optical fibers cladding bonded to during the assembly process? - Answer Ferrule A fiber...

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  • September 21, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • fiber optics
  • fiber optics exam
  • fiber optics exam questions and correct answers

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  • Fiber Optics
  • Fiber Optics

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Fiber Optics Exam Questions and
Correct Answers (Verified Answers)
Newest Version

Why does Grades Index fiber use numerous concentric layers of glass, - Answer ✔ To
prevent modal dispersion

What is the optical fibers cladding bonded to during the assembly process? - Answer ✔
Ferrule

A fiber optic cable that is "fire retardant and low smoke" is called what according to the
NEC? - Answer ✔ Plenum

What type of fiber has an aqua jacket? - Answer ✔ OM3 and OM4
Mm laser optimized multimode

What does the gel in a loose tube fiber optic cable protect the optical fiber from if the
jacket falls? - Answer ✔ Moisture from outside environment

What is "OFNR" - Answer ✔ Optical fiber non conductive riser

The NEC considers cables that contain no conductive members what type of cables? -
Answer ✔ Non conductive

What type of cable has optical fibers and current carrying electrical conductors in the
same jacket? - Answer ✔ Composite

What is the name of the tight bufffered cable used for indoor applications? - Answer ✔
Distribution

What is the last thing you do before you test a connection? - Answer ✔ Clean it

What material is used for precision fiber connector ferrules? - Answer ✔ Ceramic and
zirconia

What pattern of polishing is used to finish a fiber connector end face with the hand
polish technique? - Answer ✔ Figure 8

An MPO connector is a recognized by ANSITA-568.3 standard?

, True or false - Answer ✔ True

An SC connectoris recognized by ANSI/TIA-568-C.3 standard?
True or false - Answer ✔ True

What safety forms must be available whe using any type of chemicals? - Answer ✔
MSDS

How do you dispose of waste fiber ends? - Answer ✔ Sealable container clearly marked
for fiber optic cable

The loss, resulting from mated fiber ends that are not perpendicular to the fibers axis
due to a poor cleavage angle, is what type of loss? - Answer ✔ Extrinsic loss

A 1.25mm ferrule is used for what type of connectors? - Answer ✔ Small form factor
connectors

The NEC is updated every how many years? - Answer ✔ 3

What is required at termination points of a cable containing metallic members? - Answer
✔ Bonding to ground

What kind of cable kit branches the fiber contained in a loose fiber fiber optic cable into
900 micron outside diameter protective tubes? - Answer ✔ Fan out kit

What factory made device are most single mode fiber ends terminated to? - Answer ✔
Pig tail

Fresnel reflection can be reduced by using what type of material? - Answer ✔ Graded
index
-index matching gel

How should the scoring blade be held, in relation to the fiber, to achieve a good cleave?
- Answer ✔ Perpendicular to the fiber axis

What type of light is used in fiber optic transmission? - Answer ✔ Infrared

What are the 4 items are needed for a fiber optic system to work? - Answer ✔
Transmitter
Fiber cable
Receiver
Connectors

1 mw is the same as what in dBm? - Answer ✔ 0 dBm

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