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CISCO Certification
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.
Correct Answer:
Listens to see if the Ethernet is busy.
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