Which of the following should the technician perform during troubleshooting?

A technician is connecting DSL for a new customer. After installing and connecting the on-premises equipment, the technician verifies DSL synchronization. When connecting to a workstation, however, the link LEDs on the workstation and modem do not light up .

Which of the following should the technician perform during troubleshooting?
A . Identify the switching loops between the modem and the workstation.
B . Check for asymmetrical routing on the modem.
C . Look for a rogue DHCP server on the network.
D . Replace the cable connecting the modem and the workstation.

Answer: D