LoadCairn's timed format
100 questions · 120 minutes
LoadCairn / FOA CFOS/T
Prepare for the Fiber Optic Specialist, Testing credential with six study domains, focused question sets, missed-question review, and progress saved to your verified license.
LoadCairn's timed format
100 questions · 120 minutes
FOA published exam format
FOA publishes neither a question count nor a time limit for CFOS/T.
Published passing standard
At least 70% correct
Domain practice
6 domains · 10 / 25 / 50 question sets
Review
Previously missed questions only
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