The core diameter of 50–100 microns is characteristic of which fiber category?

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Study for the Network Security Instructional Terminology Test. Enhance your knowledge with multiple choice questions, each accompanied by hints and explanations. Ensure readiness for your exam!

Multiple Choice

The core diameter of 50–100 microns is characteristic of which fiber category?

Explanation:
Core diameter is used to distinguish single-mode from multimode fiber. A single-mode fiber has a very small core, about 8–10 micrometers, which confines light to a single path. Multimode fiber has a much larger core, typically around 50–62.5 micrometers, allowing multiple propagation paths (modes). The 50–100 micrometers range fits within multimode fiber, so that option is the right match. Plastic fiber tends to have different, much larger core sizes or different constructions, and a generic “fiber” label doesn’t specify core size, so those don’t align with this characteristic.

Core diameter is used to distinguish single-mode from multimode fiber. A single-mode fiber has a very small core, about 8–10 micrometers, which confines light to a single path. Multimode fiber has a much larger core, typically around 50–62.5 micrometers, allowing multiple propagation paths (modes). The 50–100 micrometers range fits within multimode fiber, so that option is the right match. Plastic fiber tends to have different, much larger core sizes or different constructions, and a generic “fiber” label doesn’t specify core size, so those don’t align with this characteristic.

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