149. AQA A Level SLR22 Introduction to protocols
About this video
AQA Specification Reference
A Level 4.9.4.2
This video provides you with an overview of the various important protocols you need to know about for your exam, these include: FTP, HTTP, HTTPS, POP3, SMTP, SSH.
Key question:
- What are the features of a protocol, and what do we mean by standard?
00:00 Introduction to protocols
00:05 Intro
00:10 The need for standards
00:36 Standards in use - Character sets
00:51 Web pages and HTML
01:01 What is a protocol?
0!:24 Common protocols
01:51 The parts of a URL
02:09 HTTP and HTTPS
02:45 Key question
02:54 Outro
Last updated: 31.10.25
