Pearson BTEC Level 3 Computing AAQ Unit 2 | Network Security & Encryption | PowerPoint + 20 Revision Visuals

## TITLE Pearson BTEC Level 3 Computing AAQ Unit 2 | Network Security & Encryption | PowerPoint + 20 Revision Visuals ## DESCRIPTION A comprehensive **2-resource teaching and revision bundle** for **Pearson BTEC Level 3 National Computing AAQ, Unit 2: Computer Network Security and Encryption**. Combining a **45-slide PowerPoint presentation** with **20 PNG revision visuals**, this bundle supports classroom teaching, independent revision and preparation for the externally assessed Unit 2 examination. Designed for post-16 Computing students, the resources help learners understand computer networks, cyber threats, security measures, encryption and the evaluation of security solutions. ### TWO RESOURCES INCLUDED **1. Unit 2 Teaching PowerPoint – 45 Slides** - Structured coverage of specification areas A–D - Network and encryption diagrams - Two fictional organisation case studies - Three model examination responses - 9-mark evaluation practice - Knowledge checks and exam guidance **2. Unit 2 Visual Revision Pack – 20 PNGs** - Visual summaries of technical concepts - Network security and encryption revision - Suitable for retrieval practice and displays - Supports visual learners and SEND provision ### KEY TOPICS **A – Computer Networks:** Network types, scales and topologies; network devices; client-server and peer-to-peer systems. **B – Network Security:** Malware, phishing, SQL injection, cyberattacks, firewalls, intrusion detection and security policies. **C – Encryption:** Symmetric and asymmetric encryption, AES, RSA, hashing, digital signatures, certificates and PKI. **D – Security Solutions:** VPNs, TLS, encryption at rest, key management, performance, cost and usability. ### IDEAL FOR BTEC Level 3 Computing teachers, sixth forms, colleges, exam revision, classroom presentations, knowledge retrieval, intervention and independent study. ### SEO KEYWORDS / TAGS BTEC Level 3 Computing, Pearson BTEC AAQ, Unit 2 Computer Network Security and Encryption, Computing PowerPoint, cyber security, network security, encryption, AES, RSA, network topologies, malware, phishing, firewalls, VPN, PKI, digital signatures, Computing revision visuals, BTEC Computing exam revision, Coffee Owed ### COPYRIGHT & INDEPENDENCE © 2026 Coffee Owed. All rights reserved. Original teaching content, diagrams, activities and visual designs are copyright protected. Educational use is subject to the applicable ÌÇÐÄVlog licence. No unauthorised resale, redistribution or public upload. Pearson and BTEC are third-party trademarks. Independently produced; not affiliated with or endorsed by Pearson.