单项选择题
Which one of the following actions would actually increase congestion on an Ethernet network?（）
A. Increasing the number of collision domains. B. Micro-segmenting the network. C. Adding hubs for connectivity to the network. D. Putting additional switches in the network. E. Implementing VLANs in the network.
多项选择题 In which Spanning-Tree states does a switch port learn MAC addresses?（）
单项选择题 In a switched LAN network, what is the Spanning-Tree algorithm used for?（）
单项选择题 What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?（）
