An Organization has Exchange 2010 with 50 Hub Transport Servers.Minimize amount of disk space used on Hub Transport Servers to store shadow copies of messages.What should you do？（）

• A、From the Exchange Management Shell， run set-transportconfig cmdlet
• B、From the Exchange Management Shell， run set-transportservers cmdlet
• C、From the Exchange Management Console （EMC）， modify transport settings
• D、From the Exchange Management Console （EMC）， modify properties of Hub Transport Servers