What is the difference between an RJ-45 port and an RJ-11 port?
A)RJ-45 has 8 conductors; RJ-11 has 4 conductors.
B)RJ-45 supports fiber connections; RJ-11 supports copper connections.
C)The RJ-45 jack looks like a phone jack; the RJ-11 jack looks like an RCA jack.
D)RJ-11 is found on a modem; RJ-45 is found on a sound card.

Question

Quizplus · Accepted Answer

The main difference between these two ports is the number of conductors they have. An RJ-45 port has 8 conductors while an RJ-11 port has 4 conductors. Due to the difference in the number of conductors, they are used for different purposes. RJ-45 is mainly used for Ethernet connections while RJ-11 is mainly used for telephone connections.

What Is the Difference Between an RJ-45 Port and an RJ-11