Question: If a second machine was not available to test a cable before shipping it with the intended machine, what device permits communication with itself in
If a second machine was not available to test a cable before shipping it with the intended machine, what device permits communication with itself in order to test its ability to send and receive traffic?
A. Cable tester
B. Loopback plug
C. Cable crimper
D. Fusion splicer
E. Tone generator
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