loopback plugs are commonly used to test network interfaces, cables, and networking equipment. They can verify that a network interface card (NIC) is functioning correctly by sending signals out of the NIC and ensuring that they are looped back and received by the NIC.
What Does Loopback Plug Mean? A loopback plug is a device used to test ports (such as serial, parallel USB and network ports) to identify network and network interface card (NIC) issues
To verify a Network Interface Card's functionality, a technician should use a Loopback plug, which checks if a network device can send and receive data properly.
A loopback plug is a device used to test ports (such as serial, parallel USB and network ports) to identify network and network interface card (NIC) issues.
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