Exam 640-692 Question id=213 Service-related Knowledge

The pins in RJ-45 are numbered from 1 through 8. With the metal points of the plug facing toward you, pin 1 is the leftmost pin. Which two sets are looped on an RJ-45 T1 loopback plug?

A. Pins 1 and 4
B. Pins 1 and 7
C. Pins 2 and 5
D. Pins 2 and 8
E. Pins 1 and 5
F. Pins 2 and 7
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