Server Roles on Windows Server 2008
A server; whether member or domain-based server, can play different roles depending upon the requirement in a corporate environment. Servers can be configured as an Active Directory server, DNS, and DHCP server for administration and securing AD structure, or configure it as a Web server for hosting different sites. Windows server 2008 provides a single console from where we can install, configure, or uninstall various server roles.
Network Access Protection in Windows 2008
Win Server 2008's new characteristics have obtained many press reviews, especially the large-scale, glamorous characteristics like Hyper-V and Windows Power Shell. Still, one of the more unseen new security characteristics, Network Access Protection (NAP), is worth some of your time.
Task Scheduler in Microsoft Windows 7
It is used to run Windows programs automatically. If the user wants to run a program automatically while working with Windows 7, he can choose its Task Scheduler feature to do so.