Your existing Exchange Server 2003 environment contains the servers shown in the following table
You are preparing to install Exchange Server 2007. You install the Exchange 2007 Edge Transport server role on a server named Server3. You want to install Exchange 2007 Mailbox, Client Access, and Hub Transport server roles on a server named Server4.contoso.com. You need to perform an unattended installation of Exchange Server 2007.
What should you do?
A.
Run the Setup /mode:Install /roles:
ClientAccess,HubTransport,Mailbox /LegacyRoutingServer:server1.contoso.com command
B.
Run the Setup /mode:Install /roles:
ClientAccess,HubTransport,Mailbox /LegacyRoutingServer:server2.contoso.com command
C.
Run the Setup /mode:Install /roles:
ClientAccess,HubTransport,Mailbox /LegacyRoutingServer:server3 command
D.
Run the Setup /mode:
Install /roles:ClientAccess,HubTransport,Mailbox /LegacyRoutingServer:server4.contoso.com command