This bundle covers the main topics in the OCR J277 GCSE computer science component 1.3 (Computer networks, connections and protocols) & 1.4 (Network Security). Also contains an assessment that covers the two units.

Covers topics of Networks and topologies (1.3.1) & Wired and wireless networks, protocols and layers (1.3.2), Threats to computer systems and networks (1.4.1) & Identifying and preventing vulnerabilities (1.4.2)

The lessons contain notes, tasks, exam questions and an assessment (via a Powerpoint/pdf/Word) that can be used to help aid progress.

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