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Structure Cabling Volume Two Practice Test

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Which term describes the coupling of unwanted signals between cables in a bundle that becomes most prevalent above 400 MHz?
Correct Answer:
Alien
Explanation:
Alien crosstalk refers to interference that comes from neighboring cables in the same bundle rather than from the same pair, and it becomes stronger as frequency rises. This external coupling grows with frequency, so it’s most noticeable above about 400 MHz. The other terms describe crosstalk that occurs within the same cable or pair (near-end or far-end crosstalk) or use a broad label that doesn’t specify the external-source nature of the interference.

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