Your network has two main offices.Each office is configured as a separate Active Directory site named Site1 and Site2.Each site contains an Exchange Server 2010 Hub Transport server.You need to prevent a user from Site1 from sending an e-mail message that contains the word budget to a user from Sit.What should you do?()
A. From a Hub Transport server in Site1, create a transport rule.
B. From a Hub Transport server in Site1, configure the sender filtering feature.
C. From a Hub Transport server in Site2, configure the content filtering feature.
D. From a Hub Transport server in Site2, modify the properties of the Client Receive connector.