You are the messaging engineer for your company. Your company has offices in five cities.
Your network consists of one Microsoft Windows 2000 Server Active Directory domain. Each office has five domain controllers. One domain controller is configured as a Global Catalog server in each office. All domain controllers are installed in the Default-First-Site-Name site.
You plan to deploy one Exchange Server 2007 server in each office.
You need to recommend the minimum Active Directory configurations that are required to support Exchange Server 2007. Your recommendations must minimize network bandwidth utilization between offices.
Which three changes should you recommend? (Each correct answer presents part of the solution. Choose three.)
A.
Upgrade the Active Directory schema master to Windows Server 2003 Service Pack 1.
B.
Upgrade all domain controllers to Windows Server 2003 Service Pack 1.
C.
Upgrade the global catalog server in each office to Windows Server 2003 Service Pack 1.
D.
For each office, create and configure an Active Directory site and an Active Directory subnet object. For each site, create a site link object.
E.
For each office, create and configure a site link bridge in Active Directory.
F.
Create and configure an SMTP site link in the Default-First-Site-Name site.