Which of the following tools would Kurt, an administrator, use to identify opens and shorts?
A.
Ohmmeter
B.
Protocol analyzer
C.
Cable tester
D.
Multimeter
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This could be both A and C. Ohmmeters are for testing electrical resistance. If the resistance is infinitely high then an open is detected, if the resistance is near zero then you have a short.
In the context of network cables, wire mapping is the process of making sure that the twisted pairs are on correct pins. Using a tool like LRAT (https://www.youtube.com/watch?v=-wRXVGNUTfk), the wire mapping feature should give an indication of which wires are open or shorted.
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and D as well. The multimeter has a Ohmmeter built in to it.
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