Protocols (CIE IGCSE ICT)

Revision Note

Becci Peters

Expertise

Computer Science

Protocols

  • HTTP (HyperText Transfer Protocol)
    • The standard protocol for transmitting hypertext (web pages) over the internet
  • HTTPS (HyperText Transfer Protocol Secure)
    • A secure version of HTTP that encrypts data for security
  • FTP (File Transfer Protocol)
    • A network protocol for transferring files between computers 
    • How do you upload and publish content on a website using FTP?
      • Download the FTP client program
      • Connect to the FTP server using the FTP client program
      • Login to the server using the FTP username and password
      • Locate the files on your computer
      • Click the upload button on the FTP client program
      • Upload the files to the folder
  • SSL (Secure Socket Layer)
    • A security protocol that provides encrypted communication between a web browser and a web server

Worked example

You have been asked by the secretary of a soccer club to create a website to publicise its results, fixtures and other events.

When the website has been created it has to be published on the internet. You plan to upload it onto the internet using FTP.

Explain how to upload and publish the content of a website using FTP.

[4]

4 of:

Download the FTP client program [1]
Connect to the FTP server [1]

Using the FTP client program [1]
Login to the server [1]
Using FTP username and password [1]
Locate the files on your computer [1]
Click the upload button on the FTP client program [1]
Upload the files to the folder/web hosting space [1]

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Becci Peters

Author: Becci Peters

Becci has been a passionate Computing teacher for over 9 years, teaching Computing across the UK helping to engage, interest and develop confidence in the subject at all levels. Working as a Head of Department and then as an educational consultant, Becci has advised schools in England, where her role was to support and coach teachers to improve Computing teaching for all. Becci is also a senior examiner for multiple exam boards covering GCSE & A-level. She has worked as a lecturer at a university, lecturing trainee teachers for Computing.