SLR11 – Networks (AS & A’Level) OCR A’LEVEL SLR11 Network characteristics & protocols OCR A’LEVEL SLR11 TCP IP, DNS & Protocol layers OCR A’LEVEL SLR11 LANs & WANs OCR A’LEVEL SLR11 Client sever & Peer to peer OCR A’LEVEL SLR11 Packet & circuit switching OCR A’LEVEL SLR11 Network security threats OCR A’LEVEL SLR11 Network hardware Also in this topic... SLR12 – Web Technologies (AS & A’Level) SLR14 – Data structures (AS & A’Level) SLR17 – Ethical moral and cultural issues (AS & A’Level) SLR20 – Thinking procedurally (AS & A’Level) SLR 24 – Computational methods (A’Level Only)