You are troubleshooting your computer network connectivity. The computer is unable to access the network but the rest of the network seems to be working properly. You want to test and make sure the computer’s network interface card is functioning properly. What networking tool should you use?
WiFI analyzer
Toner probe
Loopback plug
Cable tester
A loopback plug allows you to send a signal out and back into the port. You are able to isolate the issue and just test the functionality of the part without any other devices on the network involved.
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