99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

The switched LAN is shown below:

Study the exhibit above carefully. Switch SW5 is configured as the root switch for VLAN 10 but notfor VLAN 20. If the STP configuration is correct, what will be true about Switch SW5?()

A.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in standbymode
B.All ports will be in forwarding mode
C.All ports in VLAN 10 will be in forwarding mode and all ports in VLAN 20 will be in blockingmode
D.All ports in VLAN 10 will be in forwarding mode
E.None of the other alternatives apply

微信掃碼免費搜題