Which three statements about RSTP are true?

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问题 Which three statements about RSTP are true?

选项 A、 RSTP significantly reduces topology reconverging time after a link failure．
B、 RSTP expends the STP port roles by adding the alternate and backup roles．
C、 RSTP port atates are blocking,discarding,learing,or forwarding．
D、 RSTP also uses the STP proprsal-agreement sequence．
E、 RSTP use the same timer-baseed process as STP on point-to-point links．

答案A,B

解析 A能够减少汇聚时间，B比STP增加了端口角色alternat和backup。

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Which three statements about RSTP are true?

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WhileAmericanshavebecomeevermoredependentuponelectricityintheirdailylives,acrucialpartofthesystemthatsupport

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Peoplehavespeculatedforcenturiesaboutafuturewithoutwork.Todayisnodifferent,withacademics,writers,andactivists

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