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SPT初始狀態(tài)之后的一個(gè)狀態(tài)是什么？
The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration?（）
four switches， which one will be root switch.（no pic）.
Refer to the exhibit.Which statement describes DLCI 17?（）
問一個(gè)怎么樣的屬性，能讓路由不通告給任何的peer？
what is four ospf area type？
what is the advantage of policing opposite to shaping？
A default Frame Relay WAN is classified as what type of physical network?（）
QoS Mechanisms：?jiǎn)栐诓渴餛oS中要用的3個(gè)mechanisms是什么？
A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?（）