What is a loopback plug used for?

July 30, 2010


A useful component to keep in your toolbag is a loopback plug. What is a loopback plug used for?

A) Measuring voltage

B) Testing network throughput

C) Measuring disk utilization

D) Testing physical ports

E) Allows you to look forward and backward at the same time

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Category: CompTIA A+ Pop Quizzes

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