单项选择题 Refer to the exhibit. You would like to guarantee 7 Mb/s for FTP traffic in your LAN, as it seems that peer-to-peer traffic is taking up a large amount of bandwidth. When testing the configuration, you notice that FTP traffic doesnt reach 7 Mb/s. What is the problem?（）

单项选择题 Refer to the exhibit. Look at the command output. Assume that there is no other path， and the configuration is correct. What would be the consequences of this situation？（）

问答题 OSPF的STUB区域会过滤那几个类型的LSA？