Servers

Definition of server

Server is a main PC among other PC’s in a network connection. A server’s duty is to process requests and deliver data to other PC. In some networks we can see there are one or many server computers. Because using a server is best for the network. Most computer networks with one or more servers handle specialized tasks. There are separated special PC’s for server computers. And also we can turn a regular desktop pc as a server by installing special server software’s.

Processes of a server

• ·         Receiving requests from other PC’s
• ·         Sending data to other PC’s
• ·         Saving data in a safe storage
• ·         Protects PC’s from unauthorized accesses
• ·         Allows remote access
• ·         Maintaining better performance (supports multiple Processors)
• ·         support hot-swappable hard disks.
• ·         Monitoring PC’s
• ·         Protecting from cyber crimes
• ·         Working as a centralized device
• ·         Checking the data before sharing

Types of server

•        Mail server
•       Web server
•        File server

Mail server

Mail server is a type of a server. Mail server controls sending and receiving mails. A mail server receive e-mails from client PC’s and send them to other mail servers. And also a mail server can send mails to the client PC.  A mail server normally consists of a storage area where mail is stored for local users.

Web server

Web server is also is a type of server. Web server delivers contents or services to users over the internet. A web server runs a website by HTML files over an HTTP (Hypertext Transfer Protocol) connection. The web server hosts website files and send it up though a web browser

File server

A file server is a type of server that provides access to the files. File server is the central file storage location. And also multiple PC’s can access to that location. A file server can be a dedicated server or can be a computer that hosts shared files. Dedicated file servers provides most important features like faster data and more capacity. In home networks, personal networks file server in using often. But file server is normally using in company networks