Question 20 - 220-1101 Networking Practice Test for the CompTIA A+ Core Series Exam

After running 100 ethernet cables for your new office, you find that one of the computers you connected them to is showing as if there is nothing connected. You need to find where the other end connects in the data closet, but you forgot to label the cables. What could you use to help you find the other end of the cable?

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