[多选] Which three statements about RSTP are true?（）

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.
F . RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.

驯化 What OSPF command, when configured, will include all interfaces into area 0?（） network 0.0.0.0 255.255.255.255 area 0。 network 0.0.0.0 0.0.0.0 area 0。 network 255.255.255.255 0.0.0.0 area 0。 network all-interfaces area 0。金流量核算的基础数据与以下哪些统计体系有密切的关系（）国际收支。货币与银行统计。国民生产统计。证券统计。保险统计。在RIP协议中，计算metric值的参数是（） MTU。时延。带宽。路由跳数。美国1787年宪法和德意志帝国宪法颁布的共同背景之一就是两国迫切需要（）。进行权力制衡。限制君主权力。强化中央集权。保证人民权利。 Which three statements about RSTP are true?（）

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[多选] Which three statements about RSTP are true?（）

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