Explain different types Installation of win 2003

Hi Friends,

Can anybody explain different types of win 2003 installation (unattended Installation) and RIS installation.

Thanks

There are 3 types of installation in windows 2003. 1. Cd based installation 2. Network based installation 3. Remote installation service (ris) installation can be done with attended and unattended installation mode.:)

what is difference Between windows 2000 Server& Windows Server 2003