Which of the following is an example of a CSMA/CD medium?

A.
WEP

B.
SONET

C.
Token ring

D.
Ethernet

Explanation:
CSMA/CD is a Media Access Control method in which a carrier sensing scheme is
used and also a transmitting data station that detects another signal while transmitting a frame,
stops transmitting that frame, transmits a jam signal, and then waits for a random time interval
before trying to resend the frame