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SW5/6為透明模式，SW1為ser模式，SW2/3/4為client模式，問：如果在SW5上添加一個(gè)VLAN，如何使全網(wǎng)學(xué)習(xí)到這個(gè)VLAN？
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.
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four switches， which one will be root switch.（no pic）.
Refer to the exhibit.Which statement describes DLCI 17?（）
When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?（）
what is the advantage of policing opposite to shaping？
hsrp speak狀態(tài)是什么意思？
What field in IP packet is used for classification by QOS？
什么問題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配？
Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）
Which of the following describes the roles of devices in a WAN?（）
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?（）