Your network contains an Exchange Server 2010 server.
You need to prevent a user named User1 from downloading attachments larger than 50 KB
when using Exchange ActiveSync.
Your solution must not affect other users.
What should you do first?
A.
Modify User1 Mailbox properties
B.
Create a New ActiveSync Mailbox Policy
C.
Create a New Exchange ActiveSync Mailbox policy
D.
Modify properties of Default Exchange ActiveSync Mailbox policy
Explanation: