When answering this question, focus on your hands-on experience and specific techniques you have used in testing and measuring fiber optic networks. Mention any relevant tools and equipment, such as OTDR (Optical Time-Domain Reflectometer), power meters, and light sources. Discuss the types of tests you have performed, such as insertion loss testing, return loss testing, and continuity testing. Provide examples of any troubleshooting you have done and how you resolved issues. Highlight your understanding of industry standards and best practices for fiber optic testing. For example:
"In my previous role, I regularly used an OTDR to test the integrity of fiber optic cables. I performed insertion loss and return loss tests to ensure minimal signal degradation. I also used power meters to measure the power levels of transmitted signals. On one occasion, I identified a significant signal loss due to a faulty splice, which I then repaired to restore optimal performance. I always adhere to industry standards such as TIA/EIA-568 and ensure all tests are thoroughly documented."
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