what is the possible reason to cause this problem?

When troubleshooting in a local area network, you notice that there are a large number of frame alignment False, FCSFalse and Lag of conflict.

what is the possible reason to cause this problem?
A . switch and terminal by 10/100/1000Base-T Ethernet link connected, and the working mode of the switch and terminal is half duplex
B . in most of the environment all have such False
C . working mode on 1000Base-LX/LH link don’t match
D . Working mode on 10/100/1000Base-T Ethernet link don’t match

View Answer

Answer: D