What is protocol and its types?

Related questions

1. What is FTP and why is it used?
2. What are the duties of FTP protocol?
3. What are newsgroups used for?
4. What is the need of protocol?
5. What does FTB mean?
6. What layer is FTP on?
7. What layer is SMTP?
8. What is main function of protocol?
9. What are FTP settings?
10. How is FTP used?

Tags

1. #protocol
2. #telnet
3. #governs
4. #transport
5. #rules
6. #order
7. #presentation
8. #layer
9. #computers
10. #session
11. #language
12. #combined
13. #application
14. #layers
15. #communications
16. #other
17. #network
18. #speaking
19. #between