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FOA Certified Fiber Optic Specialist, Splicing (CFOS/S) certification exam — Information & Free Practice

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About FOA Certified Fiber Optic Specialist, Splicing (CFOS/S) certification exam

FOA Certified Fiber Optic Specialist, Splicing (CFOS/S) certification exam · US

Key exam facts

Provider
The Fiber Optic Association, Inc. (FOA) develops and administers the specialist certification examination; approved schools provide training and examination access. Skills are separately verified through training or documented experience.
Format
Closed-book, monitored and timed knowledge examination. Direct certification uses online delivery. FOA publishes True/False, Multiple Choice, Multiple Answer and Matching question types; no CFOS/S-specific mixture or percentages are specified.
Time limit
FOA states that most certification examinations allow 1.5–2 hours. A separate CFOS/S-specific answering-time limit is not published in the public specialist entry, examination policy or direct-process materials reviewed; the monitored exam enforces the assigned time limit.
Passing score
A numerical CFOS/S passing cutoff and scoring scale are not published in the public specialist requirements, examination policy or direct-certification process reviewed. Passing is required and online responses are automatically graded, with results reviewed by FOA; no CFOT cutoff is transferred to CFOS/S.
Exam fee
USD 170 for the direct-certification examination from October 1, 2026, payable by credit card when taking the examination after the application is accepted. The process page's USD 150 text predates that explicit increase. School training or package charges are separate and are not a universal FOA direct-exam fee.

Topics covered

  • Knowledge

    • Types Of Fiber Optic Splices
    • Equipment needed for splicing
    • Processes Of Splicing
    • Testing Splices

How to prepare

Work through the topics, read the explanation after each answer, and revisit the areas where you miss questions. Use the official outline and reference materials below to guide your study.

These independent practice questions are not actual exam items and do not guarantee a passing result.

Frequently asked questions

What is the exam format?

Closed-book, monitored and timed knowledge examination. Direct certification uses online delivery. FOA publishes True/False, Multiple Choice, Multiple Answer and Matching question types; no CFOS/S-specific mixture or percentages are specified.

How long is the exam?

FOA states that most certification examinations allow 1.5–2 hours. A separate CFOS/S-specific answering-time limit is not published in the public specialist entry, examination policy or direct-process materials reviewed; the monitored exam enforces the assigned time limit.

What is the passing score?

A numerical CFOS/S passing cutoff and scoring scale are not published in the public specialist requirements, examination policy or direct-certification process reviewed. Passing is required and online responses are automatically graded, with results reviewed by FOA; no CFOT cutoff is transferred to CFOS/S.

How much does the exam cost?

USD 170 for the direct-certification examination from October 1, 2026, payable by credit card when taking the examination after the application is accepted. The process page's USD 150 text predates that explicit increase. School training or package charges are separate and are not a universal FOA direct-exam fee.

Official sources and references

Confirm current exam arrangements with the exam provider.