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TheCompanynetworkutilizestheMultiple－instanceSpanningTreeprotocolinitsswitchedLAN.Whichthreestatemen
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A.ToverifytheMSTconfiguration，theshowpendingcommandcanbeusedinMSTconfigurationmode.
B.WhenRSTPandMSTPareconfigured；UplinkFastandBackboneFastmustalsobeenabled.
C.AllswitchesinthesameMSTregionmusthavethesameVLAN-to-instancemapping，butdifferentconfigurationrevisionnumbers.
D.AllswitchesinanMSTregion，exceptdistributionlayerswitches，shouldhavetheirpriorityloweredfromthedefaultvalue32768.
E.AnMSTregionisagroupofMSTswitchesthatappearasasinglevirtualbridgetoadjacentCSTandMSTregions.
F.EnablingMSTwiththe"spanning-treemodemst"globalconfigurationcommandalsoenablesRSTP.
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