What is a loopback plug?

April 25, 2009


A CompTIA A+ certified professional’s toolbag most likely includes a set of loopback plugs. What is a loopback plug?

A) A plug that protects ports from dust and dirt

B) A plug that helps test physical port communication

C) A plug that converts between different port types

D) A plug that taps connections for use by test equipment

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Category: CompTIA A+ Pop Quizzes

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