What is the problem in half-duplex Gigabit Ethernet? Answer: Time to transmit a minimum frame might be smaller than the round-trip propagation time. Then collision detection would fail to abort a...

What is the problem in half-duplex Gigabit Ethernet?

Answer:

Time to transmit a minimum frame might be smaller than the round-trip propagation time. Then collision detection would fail to abort a collided transmission in time, i.e., the transmission ends before the sending station senses the collision.