137. AQA A Level SLR21 Introduction to Wi-Fi
About this video
AQA Specification Reference
AS Level 3.9.2.3
A Level 4.9.2.3
This video starts off with an explanation of the purpose of Wi-Fi. It then discusses the components required for wireless networking and ends with how a wireless network can be secured.
Key questions:
- What is required for wireless networking?
- What steps can be taken to secure a wireless network?
00:00 Introduction to Wi-Fi
00:09 Intro
00:14 Modes of connection
00:32 Wi-Fi
01:14 Wireless networks - Frequency and channels
01:55 Wireless access point (WAP)
02:48 Wireless network adapter
03:33 Securing wireless networks (SSIDs)
04:38 Key questions
04:51 Going beyond the specification
05:03 Other wireless connection technologies
05:16 Bluetooth
05:28 RFID/NFC
06:13 ZigBee
06:48 Summary
06:55 Outro
Last updated: 30.10.25
