CompTIA A+ Question K-51

A technician is told that a networked computer will PING the loopback address, but cannot connect to the Internet, nor connect to any file shares. The same computer, when plugged into the network at a different location, works fine. Which of the following tools should the technician use to help determine the cause of the problem?

A. Toner probe
B. Cable tester
C. Multimeter
D. Crimper