多项选择题
A. Packet switching
B. Collision prevention on a LAN segment.
C. Packet filtering
D. Broadcast domain enlargement
E. Broadcast forwarding
F. Internetwork communication
多项选择题 When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements?（）
单项选择题 You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?（）
单项选择题 Which one of the following characteristics is true regarding the use of hubs and switches?（）