Cisco CCNA

Aaron1457

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-duplex4 h)
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 exceeded6
I want to ask whether this question is BC or AC. I think some answers are AC and some are BC
Is there a reliable people to solve, thank you!