B, racial references is the answer.
Answer:
The correct answer for the following question is UTP cables.
Explanation:
UTP : It stands for Unshield Twisted Pair cables, used in telecommunication industry and computer as an Ethernet cables widely.
There are five types of UTP cables :
- CAT3 (mainly placed in phone lines, rarely used)
- CAT4 (available in token ring networks)
- CAT5 (two twisted pairs contained)
- CAT5e (four twisted pairs contained)
- CAT6
In this UTP cables, the copper wires are covered with metallic shielding which provides the balanced signal and minimize electronic involvement.
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That's what I think.
