Answer: D Attenuation is the weakening of signals during transmission.

An installed Ethernet cable run in an unshielded twisted
pair (UTP) network is more than 100 meters long. Which of
the following could be caused by the length of the cable?

A. Electromagnetic interference (EMI)

B. Cross talk

C. Dispersion

D.Attenuation

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Answer: D

Attenuation is the weakening of signals during transmission.
When the signal becomes weak, it begins to read a 1 for a 0,
and the user may experience communication problems. UTP
faces attenuation around 100 meters. Electromagnetic
interference (EMI) is caused by outside electromagnetic
waves affecting the desired signals, which is not the case
here. Cross talk has nothing to do with the length of the
UTP cable.

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