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Which of the following describes the roles of devices in a WAN?（）
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?（）
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？（）
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）？
what is four ospf area type？
一堆交換機一個server、一個transpare，問配置prune在哪里配置？
hsrp speak狀態(tài)是什么意思？
What is the next state of initial in spanning-tree protocol？
R1 will choose which path to reach 10.1.0.0？