CCENT Question & Answers
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: D) Listens to see if the Ethernet is busy.
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