单选题Which of the following is the MOST common pin-out configuration used when crimping RJ-45 connectors？（）A UTPB T568A/BC STPD IEEE 802.5
题目
单选题
Which of the following is the MOST common pin-out configuration used when crimping RJ-45 connectors？（）
A
UTP
B
T568A/B
C
STP
D
IEEE 802.5