SLR 03 – Computer networks, protocols and layers 12. AQA GCSE (8525) SLR3 – 3.5 Types of networks GCSE AQA SLR3 Modes of connection 14. AQA GCSE (8525) SLR3 – 3.5 Star and bus network topologies 15. AQA GCSE (8525) SLR3 – 3.5 Common network protocols 16. AQA GCSE (8525) SLR3 – 3.5 The need for & methods of network security 17. AQA GCSE (8525) SLR3 – 3.5 The TCP-IP protocol model
