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Which of the following are key characteristics of PPP?（）
什么問題導致SERVER VTP密碼跟替他交換機VTP密碼不匹配？
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?（）
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?（）
What field in IP packet is used for classification by QOS？
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?（）
當將多個交換機加入到MST region當中會發(fā)生什么（what happen）？
問一個怎么樣的屬性，能讓路由不通告給任何的peer？
what is four ospf area type？
SPT初始狀態(tài)之后的一個狀態(tài)是什么？