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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.
A.IP ToS of 0xEF
B.IP experimental ECN
C.DSCP decimal 5
D.Binary value of 101110
最新試題
當將多個交換機加入到MST region當中會發(fā)生什么（what happen）？
A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?（）
SPT初始狀態(tài)之后的一個狀態(tài)是什么？
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 the next state of initial in spanning-tree protocol？
What is method list for configure aaa？
what is four ospf area type？
QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？
When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）
Local Preference？