What are two reasons that cause late collisions to increment on an Ethernet interface? (Choose two.)

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

Answer: AE