Protocols

Protocols

1. What does it stand for?

   • Perhaps the most important computer protocol is OSI (Open Systems Interconnection), a set of guidelines for implementing networking communications between computers. Among the most important sets of Internet protocols are TCP/IP, HTTPS, SMTP, and DNS

2. What is it used for?

   • What is the purpose of a protocol? The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet. ... The Internet protocol suite is therefore often referred to as TCP/IP.

3. What software might you find it in?

   • The operating system

4. FTP is used to transfer large files. It is often used for organising files on a web server for a website. You can have private access to an area on an FTP server where you can upload your files. You can then give another user access to download the documents that you have shared.

5. HTTP transfers web pages from web servers to the client. All web page addresses start with http. An https address is a secure web address which has been encrypted. An https address is used for sites holding bank details and secure information.

6. Email uses these protocols to communicate with mail servers. SMTP is used to send the email; POP is used to receive email. Most email clients allow for transfers of up to 10 MB.

7. VOIP is a set of protocols that enables people to have voice conversations over the internet

8. Internet protocols Within TCP/IP there are several key protocols. These include the following.