Write note on Application Layer?

1.	Write note on Application Layer?
Answer» The Application layer of the TCP/IP model is similar to the Session, Presentation, and Application layers of the OSI Reference Model. The most popular Application layer protocols are: (i) Hypertext Transfer Protocol (HTTP): The core protocol of the World Wide Web. (ii) File Transfer Protocol (FTP): enables a client to send and receive complete files from a server. (iii) Telnet: connect to another computer on the Internet. (iv) Simple Mail Transfer Protocol (SMTP): Provide e-mail services. (v) Domain Name System (DNS): Refer to other host computers by using names rather than numbers

Answer»

The Application layer of the TCP/IP model is similar to the Session, Presentation, and Application layers of the OSI Reference Model.

The most popular Application layer protocols are:

(i) Hypertext Transfer Protocol (HTTP): The core protocol of the World Wide Web.

(ii) File Transfer Protocol (FTP): enables a client to send and receive complete files from a server.

(iii) Telnet: connect to another computer on the Internet.

(iv) Simple Mail Transfer Protocol (SMTP): Provide e-mail services.

(v) Domain Name System (DNS): Refer to other host computers by using names rather than numbers

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