VPN & Tunnelling - Cambridge IGCSE & A-Level 9618 | AQA | OCR | GCSE Computer Science | Cambridge IGCSE, AS/ A Level | PPT + Worksheets + Activity + MCQ Quiz + Answer Marking Scheme

Also suitable for AQA GCSE Computer Science, OCR GCSE Computer Science, Edexcel Computer Science and A-Level Computer Science teachers.

Complete premium bundle delivered — 5 files

VPN & Tunnelling — Premium Bundle Contents:

**1. Core Lecture PPT (30 slides) **

Learning objectives (6 outcomes, exam-board tagged)
What is a VPN + why use one
Tunnelling concept with packet encapsulation diagram
All major protocols (PPTP, L2TP, IPsec AH/ESP, SSL/TLS, OpenVPN, WireGuard)
IPsec transport vs tunnel mode
VPN handshake step-by-step
Encryption (symmetric vs asymmetric)
Authentication methods (PSK, certificates, MFA, RADIUS)
VPN types (remote access, site-to-site, client-to-site)
Architecture (split tunnelling, kill switch, DNS leak protection)
Advantages & limitations
Security threats + mitigations
Protocol comparison table
Exam technique guide
Practice questions slide + summary slide

1. Student Worksheet
   sections, 27 marks: key term matching, short-answer (Q1–Q4), extended response (Q5–Q6)

2. Class Activity Pack — 4 activities: Tunnelling Analogy Game, Protocol Card Sort, VPN Design Challenge (MediCare scenario), Debate task with evidence grid

3. MCQ Quiz — 20 questions across all exam board spec points, from recall to evaluation level

4. Answers & Marking Scheme — Full model answers with level descriptors, mark allocation, MCQ answer key with explanations, grade boundary table.

All worksheets are print-ready

Fully editable resources.

Great for: classroom teaching, revision lessons, flipped learning, homework tasks.

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