【单选题】Your network contains one Exchange Server 2010 Client Access server named Server1.You have a user named User1.You need to limit the size of the attachments that User1 can download by using Exchange Ac...
A.
Create new managed content settings.
B.
Modify the message size restrictions for User1.
C.
Create a new Exchange ActiveSync mailbox policy.
D.
Modify the default Exchange ActiveSync mailbox policy.