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What field in IP packet is used for classification by QOS？
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？（）
Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）
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?（）
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。
當(dāng)將多個(gè)交換機(jī)加入到MST region當(dāng)中會(huì)發(fā)生什么（what happen）？
The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration?（）
hsrp speak狀態(tài)是什么意思？
QoS機(jī)制中的分類(lèi)，采用ip數(shù)據(jù)包中的哪個(gè)字段？