多项选择题
A. It uses inexpensive hubs
B. It operates without collisions
C. It operates on switches
D. It provides faster data transfer
E. It utilizes fewer wiring pairs
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?（）
多项选择题 What is the IEEE standard associated with Gigabit Ethernet?（）