A.ItmustalwaysbesetonallQoSprofiletypesbecausethissetsthetypeofmarkingsaseitherCoSor B. C.ItisoptionaliftheCiscoWLCattachedswitchoperatesonatrustDSCPmodel. D.ItmustbesetiftheCiscoWLCattachedswitchoperatesonatrustCoSmodel. E.ItsetstheEDCFqueueusedfortheradio-transmittedframes.