問(wèn)答題what is TTL？
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1.問(wèn)答題what is backbonefast？
2.問(wèn)答題what is uplinkfast？
3.問(wèn)答題what is portfast？
4.問(wèn)答題What’s PHB？
5.單項(xiàng)選擇題What are the mandatory， well-known BGP attributes？（）
A.origin,AS-path,next-hop
B.AS-path,origin,MED
C.AS-path,origin,weight
D.AS-path,weight,MED
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如何實(shí)現(xiàn)擁塞避免？
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What is the three main step of using the QoS feature with MQC command line interface？
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QoS機(jī)制中的分類，采用ip數(shù)據(jù)包中的哪個(gè)字段？
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Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）
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Which of the following are key characteristics of PPP?（）
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兩ebgp鄰居發(fā)路由過(guò)來(lái) ，哪些屬性重置？
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Local Preference？
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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？（）
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A default Frame Relay WAN is classified as what type of physical network?（）
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hsrp speak狀態(tài)是什么意思？
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