The pins and RJ-45 are numbered from 1 through 8. With the material 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?
(Choose two)

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

Explanation: