Protocols

Question 1

What is a Protocol?

Answer 1

A protocol is a set of rules relating to the communication between devices

Question 2

Give five examples of protocols and their respective functions:

Answer 2

• TCP: Transmission Control Protocol – used with IP to ensure error free transmission and package switching
• IP: Internet Protocol – used to transfer all packets across the Internet between routers
• FTP: File Transfer Protocol – used by clients and servers to upload and download files across the Internet
• HTTP: Hypertext Transfer Protocol – used by web servers and browsers to transfer web pages
• SMTP: Simple Mail Transfer Protocol- used by mail servers and clients to transfer email across the Internet