Application Server information information from Microsoft
-- Do not confuse this server role with a File Server.
The best way to have computers to access the internal wireless network is to:
1) Ensure connectivity with wireless cards. Make sure that internet is available on the machines.
2) File sharing while utilizing Mapped Network Drives
3) Terminal Services role is available only to administrator accounts. Terminal Server CAL's are $100 bucks each.
Whenever I want to learn about a particular Microsoft product I usually go with the MS Press series of books to get as close to the relevant exam curiculum as possible, you however may want to just browse around and pick one out that you like the best!