Hardware Components
The purpose of a router is to decide the best route for a packet to travel through connection speed. It also helps to facilitate the movement of data. A router is specialised computer connected to more than one network.
Web Server
A Web server is the heart of any intranet and it consists of two components. The first component of a Web server is computer hardware. What kind of hardware you select to be your server is determined by how big you need it to be, what kind of information you intend to publish on it and how many people will be able to access it. The second component of a Web server is software. This software handles all of the file requests that are made to the server, finds those files and makes sure they are sent to the correct computer.
Proxy Server
A proxy server is an intermediary computer that is between the user's computer and the Internet. It can be used to log Internet usage and also to block access to a web site. The firewall at the proxy server blocks some web sites or web pages for various reasons.
Mail Server
Its a server that handles incoming and outgoing data using the SMTP (simple mail transfer protocol) or other mail protocols such as POP3.
It is also responsible for storing e-mails that need to be received.
Web Server
A Web server is the heart of any intranet and it consists of two components. The first component of a Web server is computer hardware. What kind of hardware you select to be your server is determined by how big you need it to be, what kind of information you intend to publish on it and how many people will be able to access it. The second component of a Web server is software. This software handles all of the file requests that are made to the server, finds those files and makes sure they are sent to the correct computer.
Proxy Server
A proxy server is an intermediary computer that is between the user's computer and the Internet. It can be used to log Internet usage and also to block access to a web site. The firewall at the proxy server blocks some web sites or web pages for various reasons.
Mail Server
Its a server that handles incoming and outgoing data using the SMTP (simple mail transfer protocol) or other mail protocols such as POP3.
It is also responsible for storing e-mails that need to be received.
Ref:
http://www.thestudentroom.co.uk/showthread.php?t=1791406
http://www.thestudentroom.co.uk/showthread.php?t=1791406