MCITP: Windows Server® 2008 Enterprise Administrator, Study Guide

2.3. Planning for Network Access

In short, network access refers to any method an external or internal user will need to implement in order to securely or insecurely access a resource from a remote or internal location across a WAN or LAN. More simply put, network access refers to any user trying to access the network from any given location at any given time. Within Windows Server 2008, there are a myriad of ways for this to occur, such as VPNs, dial-up connections, RADIUS servers, or other such remote technologies.

Within the limits of network access, you also have to consider the concept of NAT pools, routing, and network policies (formally referred to as remote access policies in previous versions of Windows Server). On the enterprise level, ...