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單項(xiàng)選擇題

Refer to the exhibit. Which of these is applied to the Bearer class？（）

A.WRED
B.traffic shaping
C.packet marking
D.packet classification
E.FIFO queuing within the class

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單項(xiàng)選擇題

Refer to the exhibit. Which switching feature is being tested？（）

A.loop guard
B.PortFast
C.root guard
D.BDPU guard

問(wèn)答題

【簡(jiǎn)答題】
R1（AS1）------R2（AS2）-----R3（AS2）----R4（AS2），R1在AS1，R2，R3，R4在AS2，R1和R2建EBGP ， R2和R3 IBGP，R3和R4 IBGP，產(chǎn)生BGP路由從R1傳給R2，問(wèn)這條路有會(huì)不會(huì)在R4上出現(xiàn)，如果不會(huì)，怎么解決.

答案： No， R4 will not have the route...

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