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QoS機制中的分類，采用ip數(shù)據(jù)包中的哪個字段？
aaa架構(gòu)中哪個是要求用戶輸入用戶名和密碼？
Which of the following are key characteristics of PPP?（）
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.How many broadcast domains exist in theexhibited topology？（）
一堆交換機一個server、一個transpare，問配置prune在哪里配置？
Which of the following describes the roles of devices in a WAN?（）
SPT初始狀態(tài)之后的一個狀態(tài)是什么？
What is the next state of initial in spanning-tree protocol？
當(dāng)將多個交換機加入到MST region當(dāng)中會發(fā)生什么（what happen）？