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... SLR03 – Input output and storage (AS & A’Level) SLR04 – Operating systems – Systems software (AS & A’Level) SLR20 – Thinking procedurally (AS & A’Level) SLR 21 – Thinking logically (AS & A’Level) SLR 25 – Algorithms (AS & A’Level)