FOA CFOT Certification Exam
v11 (Latest 2026/2027 Update)
Questions & Answers | Grade A
| 100% Correct
Description
This FOA CFOT Certification Exam v11 study
guide covers 100 questions (multiple-choice/true-false)
focusing on fiber optic theory, installation, testing, and
safety. Key topics include fiber types
(singlemode/multimode), cable preparation, splicing,
connectorization, and testing with OTDRs, VFL, and OLTS. It
focuses on mastering industry-standard Knowledge, Skills,
and Abilities (KSAs).
Key Study Guide Components & Topics:
Fiber Optic Fundamentals: Differences between
singlemode and multimode fibers (core/cladding sizes),
fiber identification, and light transmission principles.
Cable & Installation: Handling techniques for loose tube,
distribution, and breakout cables; understanding cable
jackets (plenum/riser) and minimum bend radius.
Termination & Splicing: Procedures for cleaning,
polishing, and connecting, as well as fusion splicing basics.
Testing & Troubleshooting: Using optical power meters
(dB/dBm), VFLs, and OTDRs to identify connector losses,
splice issues, and distance calculations.
Safety & Codes: Proper handling of fiber shards, chemicals,
and adherence to NEC codes.
1
, Quiz_________________?
A fiber optic inspection microscope can increase the danger of high-
powered light sources by focusing the light coming out of a fiber into
your eye. True or False? -
Answer
True
Quiz_________________?
A fiber optic power meter measures absolute power in dBM (dB
referenced to 1 mw) and, when used with a light source, can measure
insertion loss expressed in dB. True or False? -
Answer
True
Quiz_________________?
When we say 62.5/125 fiber, what does "62.5" mean? -
Answer
core size, the diameter in microns
Quiz_________________?
When we say 50/125 fiber, what does "125" mean? -
Answer
2
, cladding size, the diameter in microns
Quiz_________________?
OM3 and OM4 multimode fiber with a 50/125 micron core are now a
popular option in premises cabling systems because they _____. -
Answer
Are "laser optimized" which gives more distance capability with gigabit
networks using laser sources
Quiz_________________?
In-multimode fiber, the attenuation (reduction in optical power) of the
fiber is _____ at 850 nm than at 1300 nm. -
Answer
Higher
Quiz_________________?
Which of the following represents a singlemode (smaller core size) fiber
size? -
Answer
9/125 micron
Quiz_________________?
3
v11 (Latest 2026/2027 Update)
Questions & Answers | Grade A
| 100% Correct
Description
This FOA CFOT Certification Exam v11 study
guide covers 100 questions (multiple-choice/true-false)
focusing on fiber optic theory, installation, testing, and
safety. Key topics include fiber types
(singlemode/multimode), cable preparation, splicing,
connectorization, and testing with OTDRs, VFL, and OLTS. It
focuses on mastering industry-standard Knowledge, Skills,
and Abilities (KSAs).
Key Study Guide Components & Topics:
Fiber Optic Fundamentals: Differences between
singlemode and multimode fibers (core/cladding sizes),
fiber identification, and light transmission principles.
Cable & Installation: Handling techniques for loose tube,
distribution, and breakout cables; understanding cable
jackets (plenum/riser) and minimum bend radius.
Termination & Splicing: Procedures for cleaning,
polishing, and connecting, as well as fusion splicing basics.
Testing & Troubleshooting: Using optical power meters
(dB/dBm), VFLs, and OTDRs to identify connector losses,
splice issues, and distance calculations.
Safety & Codes: Proper handling of fiber shards, chemicals,
and adherence to NEC codes.
1
, Quiz_________________?
A fiber optic inspection microscope can increase the danger of high-
powered light sources by focusing the light coming out of a fiber into
your eye. True or False? -
Answer
True
Quiz_________________?
A fiber optic power meter measures absolute power in dBM (dB
referenced to 1 mw) and, when used with a light source, can measure
insertion loss expressed in dB. True or False? -
Answer
True
Quiz_________________?
When we say 62.5/125 fiber, what does "62.5" mean? -
Answer
core size, the diameter in microns
Quiz_________________?
When we say 50/125 fiber, what does "125" mean? -
Answer
2
, cladding size, the diameter in microns
Quiz_________________?
OM3 and OM4 multimode fiber with a 50/125 micron core are now a
popular option in premises cabling systems because they _____. -
Answer
Are "laser optimized" which gives more distance capability with gigabit
networks using laser sources
Quiz_________________?
In-multimode fiber, the attenuation (reduction in optical power) of the
fiber is _____ at 850 nm than at 1300 nm. -
Answer
Higher
Quiz_________________?
Which of the following represents a singlemode (smaller core size) fiber
size? -
Answer
9/125 micron
Quiz_________________?
3
