In a store based on the consumer direct model， which roles have the ability to change shipping preferences and tax settings？（）

多项选择题Whenconfiguringthemessagingsystem，whichofthefollowingarevalidparametersforthefiletransport？（）

A.File Name
B.Operating System
C.Location
D.Host
E.Mode

单项选择题WhichConsumerDirectsamplestorearchivecontainsbothasellerorganizationandaconsumerdirectorganization？（）

A.FashionFlow.sar
B.ConsumerDirect.sar
C.ConsumerDirectOrganizationStructure.sar
D.ConsumerDirectStore.sar
E.BasicStore.sar