CompTIA A+ 220-901 – Q486

A technician is servicing a laptop that cannot keep an IP address. When the laptop receives an IP address, it releases it and cycles through repeatedly. The technician has replaced the cable, plugged into a known good network jack, and successfully connected a different laptop. Which of the following tools should the technician use NEXT?

A. Tone generator
B. Multimeter
C. Cable tester
D. Loopback plug

Correct Answer: D