140. AQA A Level SLR21 Packets and packet switching
About this video
AQA Specification Reference
A Level 4.9.3.1
Routing data across the Internet is a complex process. In this video we discuss a method known as Packet Switching.
Key questions:
- How does packet switching work?
- What are the main components of packet?
00:00 Packets and packet switching
00:09 Intro
00:14 Packet switching
01:22 Advantages of packet switching
01:20 Disadvantages of packet switching
01:54 Data packets
02:31 Structure of a packet
03:18 Packet switching
04:11 Key questions
04:21 Going beyond the specification
04:28 Packet switching continued
05:02 Outro
Last updated: 30.10.25
