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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
When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）
一堆交換機一個server、一個transpare，問配置prune在哪里配置？
Local Preference？
QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？
A default Frame Relay WAN is classified as what type of physical network?（）
what is the disadvantage of policing？
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?（）
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?（）
什么問題導(dǎo)致SERVER VTP密碼跟替他交換機VTP密碼不匹配？
What field in IP packet is used for classification by QOS？