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Question:

You are investigating network connectivity issues in one area of the building. After a few hours, you conclude that the network cables in the wiring closet must be incorrectly labeled. Which tool is BEST for testing your theory?

A Tone generator and probe.
explanation

When there is a need to trace a wire inside a wall from one end to the other, the technician will need to use a tone generator and probe (or toner probe). Because this couple could do the work so well, they are frequently referred to as a "fox and hound."

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