The core diameter of 8–105 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 8–105 microns is characteristic of which fiber category?

Explanation:
The main idea here is that the defining difference between fiber types is the core diameter. Single‑mode fiber uses a very small core, about 8 to 10 micrometers, which forces light to travel in a single path and minimizes modal dispersion for long-distance, high-bandwidth transmission. Since the given core diameter range includes the small, single‑mode size around 8 μm, it aligns with single‑mode fiber as the characteristic category. Multimode fiber, by contrast, has a substantially larger core (typically around 50–62.5 μm, and sometimes up to about 100 μm), which supports multiple light paths and more dispersion, making it suitable for shorter links. The other options aren’t fiber categories: a connector type (SC) and a protocol (FTPS) don’t define the fiber’s core size, so they aren’t the correct match for this attribute.

The main idea here is that the defining difference between fiber types is the core diameter. Single‑mode fiber uses a very small core, about 8 to 10 micrometers, which forces light to travel in a single path and minimizes modal dispersion for long-distance, high-bandwidth transmission. Since the given core diameter range includes the small, single‑mode size around 8 μm, it aligns with single‑mode fiber as the characteristic category.

Multimode fiber, by contrast, has a substantially larger core (typically around 50–62.5 μm, and sometimes up to about 100 μm), which supports multiple light paths and more dispersion, making it suitable for shorter links. The other options aren’t fiber categories: a connector type (SC) and a protocol (FTPS) don’t define the fiber’s core size, so they aren’t the correct match for this attribute.

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