多项选择题
	A. Half-duplex Ethernet operates in a shared collision domain.
	B. Full-duplex Ethernet has a lower effective throughput.
	C. Half-duplex Ethernet operates in a private collision domain.
	D. Full-duplex Ethernet allows two-way communication.
	E. Half-duplex Ethernet operates in a private broadcast domain.
多项选择题 Why is full-duplex Ethernet superior to its single-duplex counterpart?()
多项选择题 Which of the following statements correctly describe the differences between half-duplex and full-duplex Ethernet?()
单项选择题 On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously,resulting in a collision. Following this collision, what will the hosts do?()