In which of these situations would you use an Ethernet loopback cable?
A) To test the network throughput to a database server
B) To verify Internet connectivity
C) To verify the network adapter speed and duplex
D) To validate transmit and receive functionality
E) To loop something over the back of the computer
The answer: D) To validate transmit and receive functionality
A loopback connector simply reroutes any transmitted information back to the source. This is commonly used when performing hardware diagnostics.
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