Which of the following is the connector used for 100Base-T Ethernet cables?

A.
RJ-11

B.
BNC

C.
RG-58

D.
RJ-45

Explanation:
RJ-45 is the eight-pin connector used for data transmission over twisted-pair wiring. RJ-45 is the
connector used on 100Base-T Ethernet cables.
Incorrect answers:

A: The connector on the end of the cord that runs from the phone to the wall is an RJ-11
connector.
B: BNC connectors are used for Thinnet (10Base-2) Ethernet connections.
C: RG-58 is coaxial cable. It is not a connector.
Reference:
David Groth and Dan Newland, A+ Complete Study Guide (2nd Edition), Sybex, Alameda , CA,
2001, pp. 17, 18, and 260.