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CompTIA

220-1101 · Question #318

A technician is working on a desktop PC and wants to verify its NIC is functional. Which of the following should the technician use?

The correct answer is B. Loopback plug. A loopback plug is a device that can be used to test the functionality of a network interface card (NIC) by sending and receiving data packets from itself. The loopback plug connects to the NIC's port and simulates a network connection without requiring another device or cable. T

Hardware and network troubleshooting

Question

A technician is working on a desktop PC and wants to verify its NIC is functional. Which of the following should the technician use?

Options

  • ACable tester
  • BLoopback plug
  • CToner probe
  • DNetwork tap

How the community answered

(43 responses)
  • A
    2% (1)
  • B
    95% (41)
  • D
    2% (1)

Explanation

A loopback plug is a device that can be used to test the functionality of a network interface card (NIC) by sending and receiving data packets from itself. The loopback plug connects to the NIC's port and simulates a network connection without requiring another device or cable. The technician can use a loopback plug to verify that the NIC is able to transmit and receive data without errors or interruptions.

Topics

#NIC troubleshooting#Loopback plug#Diagnostic tools#Network hardware

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