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 to reduce the volume of spam received?

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.