A device on a network is ready to send a frame. What is the first thing that CSMA/CD logic does?

Sends a token out to instruct other devices not to send packets.

Sends a jamming signal out to prevent other hosts from sending packets.

Sends a discovery message out to find out if the destination host is on the same subnet.

Listens to see if the Ethernet is busy.

A device on a network is ready to send a frame. What is the first thin

1.	A device on a network is ready to send a frame. What is the first thing that CSMA/CD logic does?
A.	Sends a token out to instruct other devices not to send packets.
B.	Sends a jamming signal out to prevent other hosts from sending packets.
C.	Sends a discovery message out to find out if the destination host is on the same subnet.
D.	Listens to see if the Ethernet is busy.
Answer» E.