220-1101 Question #318: Real Exam Question with Answer & Explanation

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

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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