What is method list for configure aaa？

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?（）

A default Frame Relay WAN is classified as what type of physical network?（）

兩ebgp鄰居發(fā)路由過來 ，哪些屬性重置？

What field in IP packet is used for classification by QOS？

aaa架構(gòu)中哪個是要求用戶輸入用戶名和密碼？

four switches， which one will be root switch.（no pic）.

什么是NAT？

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?（）

當(dāng)將多個交換機(jī)加入到MST region當(dāng)中會發(fā)生什么（what happen）？