2.1 Introduction In the previous lesson you had learnt about the evolution of Internet and the various resources needed to access the Internet . This lesson gives you a detailed working of protocols that are involved in the access of Internet . 2.3 Internet Protocols The Internet protocol suite has many protocols in each layer.
2.0 Objective 2.1 Introduction 2.3 Internet Protocols 2.3.1 TCP/I Essentials 2.3.2 How TCP/IP works? 2.3.3 User Datagram Protocol (UDP) 2.3.4 Hyper Text Transfer Protocol (HTTP) 2.3.5 File Transfer Protocol (FTP) 2.4 Remote Access and Transactions 2.4.1 Telnet 2.4.2 Gopher 2.5 Electronic Mail 2.5.1 POP Mail 2.5.2 Internet Message Access Protocol (IMAP) 2.6 Search Engines search