To summarize, CSMA/CD provides that
before a host sends data on the network, it
will "sense" (CS) the wire to ensure that the
All Ethernet environments
use CSMA/CD as the access method.
CsMa/Ca
wire is free of traffic. Multiple systems have
equal access to the wire (MA), and if there is a
collision, a host will detect that collision (CD)
and retransmit the data.