You are a messaging professional. Your company uses a Microsoft Exchange

Server messaging system.

The company has 34 Microsoft Active Directory sites. This includes three regional headquarters and 31

branch offices. The company messaging system has Microsoft Exchange Server 2007 computers in the

regional headquarters. In the branch offices, there are Microsoft Exchange 2000 Server computers and

Microsoft Exchange Server 2003 computers.

Your company has the following requirements to implement antivirus and anti-spam monitoring:

The spam volume and sources must be monitored based on signature data.

The virus infection attempts must be monitored.

The Failed IP repudiation must be monitored.

You need to meet the outlined requirements.

Which two actions should you perform to meet the outlined requirements.? (Each correct answer presents part of the solution. Choose two.)

A.
Use Microsoft Antigen in the branch offices.

B.
Use Microsoft Antigen in the regional headquarters.

C.
Use Microsoft Forefront Security for Exchange Server in the branch offices.

D.
Use Microsoft Forefront Security for Exchange Server in the regional headquarters.