You are a messaging professional.

Your company runs a Microsoft Exchange Server 2007 messaging system. The Exchange topology
consists of multiple Microsoft Active Directory sites. You install Exchange Server 2007 computers at each
site. The Exchange Server 2007 computers are configured with the following server roles:

Hub Transport
Client Access Server
Mailbox

A high volume of spam has created a critical situation for the company. In addition, bandwidth usage on
the ISP and WAN links to the different locations is being consumed by spam.

You need to reduce the volume of spam received. You also need to reduce the bandwidth used by spam
across the WAN and ISP links.

What should you do?

A.
Implement Exchange Hosted Filtering.

B.
Implement Edge Transport servers in the Exchange Server 2007 messaging system.

C.
Add the anti-spam agents to the Hub Transport servers by using the Exchange Management Console script.

D.
Add the Microsoft Forefront Security for Exchange Server to the Hub Transport server, the Client Access
server, and the Mailbox server.