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FOA STUDY EXAM(LATEST UPDATE 2024
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True/False Indicate whether the statement is true or false. ____ 1. Most outside plant installations are singlemode fiber. ____ 2. Splicing is very rare in premises networks. ____ 3. Fiber is used in long distance phone networks because it is much cheaper than copper wire. ____ 4. Dangerous l...

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  • September 18, 2024
  • 27
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • foa
  • foa study examlatest update 2024
  • truefalse indicate whether the statement is true
  • 6 1 outside plant cabling can be installed by

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  • FOA CFOT

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FOA STUDY EXAM(LATEST UPDATE 2024
True/False

Indicate whether the statement is true or false.

____ 1. Most outside plant installations are singlemode fiber.

____ 2. Splicing is very rare in premises networks.

____ 3. Fiber is used in long distance phone networks because it is much

cheaper than copper wire.

____ 4. Dangerous light from fiber optic cables is bright and easily visible.

____ 5. Besides causing attenuation, dirt particles can cause scratches on

the polished fiber ends. - ANSWER True 1.

True2.

true 3.

False4.

true5.



6. 1. Outside plant cabling can be installed by ________.

A. Pulling in underground in conduit

B. Direct burial

C. Aerial suspension

D. All of the above - ANSWER D. All of the above



7. Underground cable generally includes a gel, powder or tape for

protection from _______.

A. Pulling friction

B. Lightning strikes

C. Moisture

D. Fiber abrasion - ANSWER C. Moisture

, 8. Armored cable is used in outside plant installations to ________.

A. Prevent rodent damage

B. Protect from dig-up damage

C. Increase pulling tension

D. Conduct lightning strikes - ANSWER A. Prevent rodent damage



9. Concatenation or the joining of two cables in a long outside plant

run is almost always done by ______.

A. Mechanical splicing

B. Fusion splicing

FRG-OSP Textbook Guide-Q.doc, 7/26/10, 8

C. Field installation of connectors

D. Splicing on pigtailled connectors - ANSWER B. Fusion splicing



10. Premise cables in LAN backbones often contain _______.

A. Only multimode fiber

B. Only singlemode fiber

C. Both multimode and singlemode fiber

D. Plastic optical fiber - ANSWER C. Both multimode and singlemode fiber



11. Premises cables must be rated for ______ to meet codes.

A. Pull strength

B. Bend radius

C. Weight in cable trays

D. Fire retardance - ANSWER D. Fire retardance



12. The protective gear every VDV installer must always wear is

_______.

, A. Eye protection

B. Plastic apron

C. Gloves

D. Shoe covers - ANSWER A. Eye protection



13. Information on the safety of chemicals used in fiber optics are

________.

A. Available from National Institutes of Health

B. In MSDS sheets supplied by manufacturers

C. Required to be in every installerʼs tool kit

D. Rarely useful - ANSWER B. In MSDS sheets supplied by manufacturers



14. Always keep ________ on connectors when not connected to

equipment or being tested.

A. Mating adapters

B. Strain relief boots

C. Sticky tape

D. Dust caps - ANSWER D. Dust caps



True/False

1. Optical fibers can transmit either voice, data or video and either

analog or digital signals.

2. Singlemode fiber has a smaller core than multimode fiber. - ANSWER 1. true

2. true



3. In an optical fiber, the light is transmitted through the ___________.

A. Core

B. Cladding

C. Buffer

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