□D. Fiber-optic cabling is immune to outside interference...

$\square$ D. Fiber-optic cabling is immune to outside interference and crosstalk.
ख A, B, and C are incorrect. Thinnet, thicknet, and twisted-pair cabling are susceptible to outside interference.

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Key Concepts

Electromagnetic Interference (EMI)

Electromagnetic interference refers to the disturbance that affects the performance of electrical circuits due to electromagnetic radiation emitted from other electronic devices or cables. Fiber-optic cabling is immune to EMI, making it more reliable in environments with high levels of electrical noise.

Copper-Based Cabling

Copper-based cabling, including various types like twisted-pair, thinnet, and thicknet, transmits data through electrical signals and is susceptible to both electromagnetic interference and crosstalk. This makes them less effective in environments with significant external interference compared to fiber-optic solutions.

Fiber-Optic Cabling

Fiber-optic cabling uses light to transmit data through thin strands of glass or plastic, providing high-speed communication. It is known for its ability to maintain signal integrity over long distances and is not affected by electromagnetic interference or radio frequency interference.

Crosstalk

Crosstalk is the unwanted transfer of signals between communication channels, which can result in a degraded performance. In cabling systems that use conductive materials like copper, crosstalk can lead to signal interference, whereas fiber-optic cables virtually eliminate this issue due to the transmission of light rather than electrical signals.

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