1. 3.1
Types of Servers

3. Hardware also runs special server software to manage services

5. Local Area Network (LAN)
Data Packets
Client Devices
Network Server
Wireless Access Point
Switch
Hub
Local Area Network (LAN)

6. Network Server

7. Web Server
Database Server
Logon Server
File Server
Print Server

8. Local Area Network Wide Area Network (eg the Internet) Server Farm
Mail Server
Firewall
Web Server
Client Devices

9. Stores large number of files for an organisation
3.1
Types of Server
File Server
Stores large number of files for an organisation
Also controls security, such as access rights to files
Finally, handles backups in case of accident or disaster

10. Manages queue of docs for printing
3.1
Types of Server
Print Server
Manages queue of docs for printing
So shares load of print requests across available devices
Controls access to printers for users & routes docs to devices

11. Installs, updates & controls access to programs
3.1
Types of Server
Application Server
Installs, updates & controls access to programs
Includes basic applications such as word processor or
But also specialised software, such as for financial staff only

12. Manages security & updates to large databases
3.1
Types of Server
Database Server
Manages security & updates to large databases
For example in a school, security means controlling access to staff
So teachers update registers & office staff update financial data

13. Stores all files for a website
3.1
Types of Server
Web Server
Stores all files for a website
Sends them when user’s browser sends a request for the website
Web server then sends the site’s files using the HTTP protocol

14. Stores & forwards emails like an electronic post office
3.1
Types of Server
Mail Server
Stores & forwards s like an electronic post office
Data traffic controlled by protocols, eg SMTP (send) & POP (receive)
But traffic is not immediate like instant messaging or ‘chat’

15. Software that allows a processor to run different operating systems
3.1
Types of Server
Hypervisor Server
Software that allows a processor to run different operating systems
Software acts like a ‘supervisor’ that shares resources between the different OS, eg memory

16. 3.1
Types of Servers