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CompTIA A+ 220-901

Category - Hardware and Network Troubleshooting

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What device can be used to identify if a cable signal is reaching a certain machine?

Loopback tester
Voltmeter
Power supply
Crimper

Explanation

Answer: A - A loopback tester is used to identify if a cable signal is reaching a certain machine.

A loopback testing is used to send a signal to a specific machine and then retrieve the signal. If the signal is not returned, then the loopback test failed.

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