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What is the three main step of using the QoS feature with MQC command line interface？
hsrp speak狀態(tài)是什么意思？
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?（）
what is the disadvantage of policing？
What is the next state of initial in spanning-tree protocol？
what is four ospf area type？
DHCP SERVER在給一個(gè)網(wǎng)段設(shè)置POOL時(shí)，該網(wǎng)段路由器接口地址能不能放入POOL，能why，不能why。
four switches， which one will be root switch.（no pic）.
Which of the following describes the roles of devices in a WAN?（）
一堆交換機(jī)一個(gè)server、一個(gè)transpare，問配置prune在哪里配置？