单项选择题

A.This can be accomplished by changing the properties of the mailbox database from the Exchange Management Console (EMC).
B.This can be accomplished by changing the properties of the Hub Transport server object from the Exchange Management Console (EMC).
C.This can be accomplished by running the Set-TransportConfig cmdlet from the Exchange Management Shell.
D.This can be accomplished by running the Set-EventLogLevel cmdlet from the Exchange Management Shell.