What are two reasons that cause late collisions to increment on an Ethernet interface? (Choose two.)
A. when Carrier Sense Multiple Access/Collision Detection is used
B. when one side of the connection is configured for half-duplex
C. when the sending device waits 15 seconds before sending the frame again
D. when a collision occurs after the 32nd byte of a frame has been transmitted
E. when the cable length limits are exceeded
想问一下这道题是选BC还是AC,我看有些答案是AC有些是BC
有没有靠谱的大神求解,谢谢!跪求!