兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？

hsrp speak狀態(tài)是什么意思？

what is the disadvantage of policing？

As a CCNA candidate,you must have a firm understanding of the IPv6 address structure.Refer to IPv6 address,could you tell me how many bits are included in each filed?（）

SPT初始狀態(tài)之后的一個狀態(tài)是什么？

Local Preference？

Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）

What is the next state of initial in spanning-tree protocol？

When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）

Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）