That’s not a sale price

November 9, 2012



What is the primary reason for twisting the wires in a UTP cable?

A) Minimizes interference

B) Creates stronger cables

C) Designed for smaller spaces

D) Increases the usable bend radius

E) Increases cost, which they pass on to you. That’s how they get you.


The answer: A) Minimizes interference

The twist of a UTP cable keeps any interference from affecting a wire for any extended period of time. Since opposite signals are compared at the receiving end of the cable, it becomes much easier to detect interference and retain the “good” part of the signal.

Want to know more? Watch “Network Cabling and Connectors.”

If your network isn’t wireless, then you’re using some kind of copper cable or optical fiber. In this video module, you’ll learn about twisted pair cabling, coaxial cable, plenum cable, and optical fiber.

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Category: CompTIA A+ Pop Quizzes

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