A network technician is working to bring a new workstation onto the network. No lights come on when the technician plugs the Ethernet cable into the workstation. The technician checks the connection in the IDF and discovers the data jack is not labeled.
Which of the following tools should the technician use to trace the network connection back to the IDF?
A . A port scanner
B . A loopback adapter
C . An OTDR
D . A tone generator
Answer: B