1|Page
BICSI IN250 OPTICAL FIBER EXAM REVIEW
QUESTIONS WITH 100% VERIFIED ANSWERS
2025
STRUCTURED CABLING SYSTEMS REVIEW QUESTIONS
A structured ITS cabling system is intended to serve a wide range of uses including
access to -correct-answer-plain old telephone services, innovative telephone
services & computer networking
How many backbone levels are allowed in a structured cabling system? -correct-
answer-2
What is the term that identifies where the service provider relinquishes circuit
responsibility to the customer? -correct-answer-Demarcation Point
Where do outside plant cables enter the building? -correct-answer-Entrance
facility (EF)
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Over the lifecycle of a building, what is the most cost-effective permanent
entrance? -correct-answer-Underground
What Service Entrance Has the lowest installation costs? -correct-answer-Aerial
What is BICSI recommendation for the minimum number of cables to a work
area? -correct-answer-2
What is the Maximum length of an equipment cord in a work area (NOT USING a
MUTOA)? -correct-answer-5m (16.5 ft)
What is the maximum length for a horizontal optical fiber cable? -correct-answer-
90 m (295 ft )
Centralized optical fiber cabling is designed as an alternative to -correct-answer-
An optical cross-connection located in the TR
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Which color termination field identifies "common equipment" -correct-answer-
Purple
SUPPORT STRUCTURE in ERs/TRs REVIEW QUESTIONS -correct-answer-
Which of the following serves a limited space while supporting a small number of
users? -correct-answer-TE
What is the BICSI-recommended width of cable tray to be mounted on same wall
as backboards? -correct-answer-305mm (12 in )
Which finished grade of plywood has knotholes removed and replaced with a
patch of clean wood? -correct-answer-B
How high should the bottom of plywood be mounted above the finished floor
(AFF)? -correct-answer-203mm (8 in)
What are the two common widths that are available for equipment racks? -
correct-answer-483mm (19 in) and 584mm (23 in)
BICSI IN250 OPTICAL FIBER EXAM REVIEW
QUESTIONS WITH 100% VERIFIED ANSWERS
2025
STRUCTURED CABLING SYSTEMS REVIEW QUESTIONS
A structured ITS cabling system is intended to serve a wide range of uses including
access to -correct-answer-plain old telephone services, innovative telephone
services & computer networking
How many backbone levels are allowed in a structured cabling system? -correct-
answer-2
What is the term that identifies where the service provider relinquishes circuit
responsibility to the customer? -correct-answer-Demarcation Point
Where do outside plant cables enter the building? -correct-answer-Entrance
facility (EF)
,2|Page
Over the lifecycle of a building, what is the most cost-effective permanent
entrance? -correct-answer-Underground
What Service Entrance Has the lowest installation costs? -correct-answer-Aerial
What is BICSI recommendation for the minimum number of cables to a work
area? -correct-answer-2
What is the Maximum length of an equipment cord in a work area (NOT USING a
MUTOA)? -correct-answer-5m (16.5 ft)
What is the maximum length for a horizontal optical fiber cable? -correct-answer-
90 m (295 ft )
Centralized optical fiber cabling is designed as an alternative to -correct-answer-
An optical cross-connection located in the TR
, 3|Page
Which color termination field identifies "common equipment" -correct-answer-
Purple
SUPPORT STRUCTURE in ERs/TRs REVIEW QUESTIONS -correct-answer-
Which of the following serves a limited space while supporting a small number of
users? -correct-answer-TE
What is the BICSI-recommended width of cable tray to be mounted on same wall
as backboards? -correct-answer-305mm (12 in )
Which finished grade of plywood has knotholes removed and replaced with a
patch of clean wood? -correct-answer-B
How high should the bottom of plywood be mounted above the finished floor
(AFF)? -correct-answer-203mm (8 in)
What are the two common widths that are available for equipment racks? -
correct-answer-483mm (19 in) and 584mm (23 in)
