BICSI Installer 2 Fiber Practice Questions - BICSI Installer 2, Optical Fiber (INSTF) Certification Exam

What is the primary difference between singlemode and multimode optical fiber?

Singlemode fiber is always plastic while multimode is always glass Singlemode fiber has a smaller core that supports only one mode of light propagation, enabling longer distances Multimode fiber supports higher data rates than singlemode at all distances Singlemode and multimode fibers have identical performance characteristics

Correct Answer:

Singlemode fiber has a smaller core that supports only one mode of light propagation, enabling longer distances

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