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A.Only UplinkFast and BackboneFast are specified in 802.1w；PortFast must be manually configured.
B.Only PortFast is specified in 802.1w；UplinkFast and BackboneFast must be manually configured.
C.None of the proprietary Cisco enhancements are specified in 802.1w.
D.PortFast，UplinkFast，and BackboneFast are specified in 802.1w.
最新試題
A default Frame Relay WAN is classified as what type of physical network?（）
Which of the following are key characteristics of PPP?（）
SPT初始狀態(tài)之后的一個狀態(tài)是什么？
what is the advantage of policing opposite to shaping？
Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown？（）
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?（）
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什么問題導(dǎo)致SERVER VTP密碼跟替他交換機VTP密碼不匹配？
問一個怎么樣的屬性，能讓路由不通告給任何的peer？