what is four ospf area type？

什么是NAT？

How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）

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

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 method list for configure aaa？

aaa架構(gòu)中哪個是要求用戶輸入用戶名和密碼？

what is the disadvantage of policing？

Refer to the exhibit.Which statement describes DLCI 17?（）

Local Preference？