Beginner Basics

                                                                                                                           IMAP ( INTERNET MESSAGE ACCESS PROTOCOL ) was Published in 1986. VERSIONS :                                1. Original IMAP                                2. IMAP 2                                3. IMAP 3                                4. IMAP 2 b...

                                                                                       Hypertext Transfer Protocol (HTTP) is an Application Layer.It was Developed by Tim Berner's Lee in 1989. HTTP Working as Request and Response. HTTP Gives a way to interact with web resources like html documents. Generally it uses TCP ( Transmission ci=ontrol Protocol )   It is a Protocol to Transfer web contennt over the ihnternet   It is Stateless  HTTP Does not Store any User data   In the Beginning HTTP is used to handle only the html documents   It cannot Handle or Process any images, Videos etc... HTTP Methods:                                      ...

                                                                                                                    File Transfer Protocol is a original specification for the FTP written by Abhay Bhushan and published as RFC. FTP is Developed on 16 April 1971-1980.                                                                FTP Run in active and passive mode which determines how the data connection is established.                                    ...

                                            The Domain Name system is a heirarichal and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain name assigned to each of the participating entities. By providing a worldwide, distributed directory services, the domain name system has been an essential component of the functionality of the internet since 1985                                              The Domain Name System contains one or more parts called Lables. Lable may contain 0 to 63 Char.