Revise Computingrevisecomputing.co.uk
Free student revisionSee questionsFor schoolsSchool enquiry
Free revisionSee questionsFor schoolsSchool enquiry
Knowledge/A Level/H446/01 Computer systems/Networks

OCR H446/01 Computer systems · 1.3.3

Networks

Revision notes for OCR A Level Computer Science (H446) 1.3.3 Networks.

All A Level topics

Revision notes

  • a.Characteristics of networks and the importance of protocols and standards
  • b.The internet structure: TCP/IP stack, DNS, protocol layering, LANs and WANs, packet and circuit switching
  • c.Network security and threats, use of firewalls, proxies and encryption
  • d.Network hardware
  • e.Client-server and peer to peer