Yes
true
server manager
yes you can configure many roles to a machine(DC) depends on the H/W capability of the machine whether it can handle the load on not.
There are many proxy server packages available; each has their own method of configuration. You need to be more specific as to the one you wish to configure.
In windows 2008 you can install 7 configure WDS not RIS support.
To configure Windows Deployment Services (WDS) on Windows Server 2008, first, install the WDS role through the Server Manager. After installation, launch the Windows Deployment Services console, right-click on the server node, and select "Configure Server" to initialize the service. Follow the wizard to specify the transport protocol, choose the location for the Remote Install folder, and configure DHCP options if necessary. Finally, add boot and install images to the WDS server to enable deployment.
Server manager
See related links.
You can't in the game but if you are playing on the server it is possible to get a girlfriend on server chat.
I using computer internet and server handy cafe but handy not contact register.
With help
Go through ServerManager or the OOBE tool.