Students need to understand:
  • WiFi:
    • frequency and channels
    • encryption
  • ethernet

Choose from the following to help you learn:


CAMBRIDGE Computer Science:  
Page 194 Sections "Transmission media", "Cable" and "Microwave" which continues onto page 195. 
Page 212 Section "Encryption", which continues onto page 213. 

(Nothing specifically on WiFi frequency and channels)
ROBSON & HEATHCOTE Computer Science (9-1):
Page 25. Section "Ethernet""Transmission media" which continues onto page 26.  
Page 26. Section "Wireless networking" which continues through pages 27, 28 and 29 with "Encryption".  
SUSAN ROBSON GCSE Computing(3rd edition): 
SUSAN ROBSON GCSE Computing(2012): 
AXSIED GCSE Computer Science (3rd edition)
Page 33 - R17. Section "Ethernet" only, top half of page
Page 35 - R18. Sections "
Wi-Fi Channels and Frequency" & "Wi-Fi Encryption" only, top half of page

ROUSE & O'BYRNE GCSE(9-1) Computer Science:
Page 41 through to Page 43. Sections "WiFi" and "Encryption"
Page 52 through to Page 53 Section "Ethernet"

Web Sites

BBC Bitesize: Page 4 Wired & Wireless NetworksPage 1 Encryption and Page 3 "Wireless Networks"
Cambridge MOOC: Section 52 Security Measures, just focus on Encryption for now. Section 47 Hardware needed to connect to a LAN(Nothing specifically on WiFi frequency and channels)
Wikipedia: Wi-FiRadio Spectrum (frequency), Interference (channels), Network security (encryption) and Ethernet(5 articles)
Simple Wikipedia: WiFiEncryption and Ethernet  (3 articles)
Techopedia: Wi-FiEncryption and Ethernet  (3 articles)
Cambridge Digital:  n/a
Teach-ICT:  Wi-Fi  


TheNewBoston: Network Interface Cards (Ethernet) - Watch from 0:00 to 3:36 

MrMDKnight: LAN Equipment (Covers hardware only), watch from 0:00 to 5:42  
MrMDKnight: (Covers Encryption only) watch from 2:55 to 8:34  

Last modified: Tuesday, 22 September 2020, 4:04 PM