多项选择题
A. Too many hosts in a broadcast domain
B. Full duplex operation
C. Broadcast storms
D. Multicasting
E. Segmentation
F. Low bandwidth
多项选择题 You have an Ethernet network. Which of the conditions below can lead to increased congestion on your network?（）
单项选择题 Which one of the following actions would actually increase congestion on an Ethernet network?（）
多项选择题 In which Spanning-Tree states does a switch port learn MAC addresses?（）