CFOS_2026_CERTIFIED_FIRE_OFFICER_STANDARDS_ASSESSMENT_QUESTIONS

CFOS 2026 CERTIFIED FIRE OFFICER
STANDARDS ASSESSMENT QUESTIONS
SOLUTIONS FINAL STUDY GUIDE


◉ What is the difference between a visual fault locator (VFL) and a
visual fiber tracer (VFT)?
Answer: the amount of optical power coupled into the fiber


◉ What instrument detects poor splices or cable breaks in short
lengths of fiber?
Answer: the visual fault locator (VFL)


◉ what finds faults in fiber's too close for the OTDR to see?
Answer: the visual fault locator (VFL)


◉ What detects scratches and polishing defects in connectors?
Answer: Microscope


◉ Before viewing a connector with a microscope you should
____________.

, Answer: make sure there is no power present. (no light coming
through)


◉ Where are scratches or defects on a connector end considered a
problem?
Answer: Anywhere on the core


◉ What happens if you use a microscope with excessively high
magnification?
Answer: Small scratches and defects appear worse than they truly
are


◉ When viewing a connector with a microscope, which method
allows for the best inspection for scratches?
Answer: at an angle, with lighting at an angle


◉ What instrument detects a 2 kHz tone?
Answer: a fiber identifier


◉ What is 0 dBm?
Answer: 1 mw (milliwatt)


◉ What is the m in dBm represent?