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What are loop-back plugs?
Exact definition of loop-back plugs will depend on what application we are talking about. Mostly these are connector plugs with a metal inside to short two electrical signals. There can be loopback plugs for different applications. These can be for a serial port or an Ethernet port or loopback plugs for specific signals on a connector or on a printed circuit board. These are very useful for debugging and testing an electronics problem. E.g. one can do a loopback on PC serial port's Transmit and Receive (Tx and Rx) lines using a loopback plug or a metal short to see if the serial port is working fine. Similarly Ethernet ports can be tested with a loop-back plug made for the purpose. - Neeraj Sharma
What are loop back plugs?
Exact definition of loop-back plugs will depend on what application we are talking about. Mostly these are connector plugs with a metal inside to short two electrical signals. There can be loopback plugs for different applications. These can be for a serial port or an Ethernet port or loopback plugs for specific signals on a connector or on a printed circuit board. These are very useful for debugging and testing an electronics problem. E.g. one can do a loopback on PC serial port's Transmit and Receive (Tx and Rx) lines using a loopback plug or a metal short to see if the serial port is working fine. Similarly Ethernet ports can be tested with a loop-back plug made for the purpose. - Neeraj Sharma
What are the Plugs into a port and crosses over the transmit line to the receive line so that outgoing signals can be redirected into the computer for testing?
loopback adapter
What Plugs into a port and crosses over the transmit line to the receive line so that outgoing signals can be redirected into the computer for testing?
loopback adapter
Under what circumstance might you use a loopback plug?
to test a network cable
What is the function of loopback addresses?
the function of loopback to connect to tcp/ip in networking
How do you delete a loopback interface on a Cisco router?
(config)#no interface loopback x
What are the difference between local loop back testing and remote loop back testing?
The only difference is the relative location of the device that is in loopback mode. Local loopback testing is when your device is set to send back everything it receives to the sender, aka loopback mode. Remote loopback testing is when your device orders a foreign device to enter loopback mode.
If you suspect that a USB port is faulty, what tools can you use to test the port?
It's a USB loopback connector.
What is the Class A loopback address?
127
What are the loopback addresses in IPv4 and IPv6?
In IPv4, the loopback address is 127.0.0.1. In IPv6 it is ::1.
What IP address for loopback function with single machine on a network?
The loopback address for each machine is 127.0.0.1, regardless of how many machines are on the network.
