Respuesta :
Answer:
(A) Loopback plugs
(B) POST diagnostic card
(C) power supply tester
Explanation:
Loopback plug is used to test a network port on the computer and ensure that it is working. To know if the port is working both lights at the end of the port must be ON.
POST diagnostic card : POST means power on self test, is used to report and discover computer errors that occurs while booting the system. The card monitors the boot process and reports errors as coded numbers, you will then search online or through the documentation to know the type of error associated with the system.
Power supply tester : this measures the output of the molex power connector to ensure that it is supplying the required voltage necessary to operate the hard drive.
The tool that'll be used when one suspects that the network port on a computer is not functioning is the loopback plugs.
The tool that will be used when the system fails at the beginning of the boot and nothing appears on the screen is the post diagnostic card.
The tool that will be used when a hard drive is not working and you suspect the Molex power connector from the power supply might be the source of the problem is the power supply tester.
Troubleshooting is the process of identifying the issues that affect a computer system. The loopback plug is useful for testing the port of a network. Post diagnostic card is used to discover the errors that occur when the computer boots.
Finally, the power supply tester measures the output in order to ensure that the required voltage is being supplied to the hard drive.
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