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O LevelComputer ScienceCambridge (CIE)Revision Notes5. The Internet & its UsesThe Internet & the World Wide WebNetwork Protocols

Network Protocols (Cambridge (CIE) O Level Computer Science)

Revision Note

Robert Hampton

Written by: Robert Hampton

Reviewed by: James Woodhouse

HTTP & HTTPS

What is HTTP & HTTPS?

  • Hypertext Transfer Protocol (HTTP) allows communication between clients and servers for website viewing

  • HTTP & HTTPS are protocols, a set of rules governing communication between devices on a network

  • HTTP allows clients to receive data from the sever (fetching a webpage) and send data to the server (submitting a form, uploading a file)

  • HTTPS works in the same way as HTTP but with an added layer of security

  • All data sent and received using HTTPS is encrypted

  • HTTPS is used to protect sensitive information such as passwords, financial information and personal data

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    Author
    Reviewer
    Robert Hampton

    Author: Robert Hampton

    Expertise: Computer Science Content Creator

    Rob has over 16 years' experience teaching Computer Science and ICT at KS3 & GCSE levels. Rob has demonstrated strong leadership as Head of Department since 2012 and previously supported teacher development as a Specialist Leader of Education, empowering departments to excel in Computer Science. Beyond his tech expertise, Robert embraces the virtual world as an avid gamer, conquering digital battlefields when he's not coding.

    James Woodhouse

    Author: James Woodhouse

    Expertise: Computer Science

    James graduated from the University of Sunderland with a degree in ICT and Computing education. He has over 14 years of experience both teaching and leading in Computer Science, specialising in teaching GCSE and A-level. James has held various leadership roles, including Head of Computer Science and coordinator positions for Key Stage 3 and Key Stage 4. James has a keen interest in networking security and technologies aimed at preventing security breaches.