1. describe the purpose of Domain Name System?
2. Describe the three main division of the domain name space.
3. Describe the TCP connections required in FTP.
4. Describe the basic model of FTP.
5. Describe the function of SMTP?
6. prepare down the difference between a user agent (UA) and a mail transfer agent?
7. Describe how does MIME improve SMTP?
8. Describe why the application like POP is required for electronic messaging?
9. prepare down the format of HTTP request message. describe in detail.
10. prepare down the format of HTTP response message.