Security. Encryption, Encryption Protocols and Digital certificates
Security. Encryption | CS PPT +Worksheets +Activity + Mcq Quiz + Answers_Marking Scheme
Core Lecture PPT
12 slides — dark cyber theme with title, learning objectives, key terms, symmetric, asymmetric, comparison, SSL/TLS, digital certificates, worked example (online banking), practice Qs, and summary
Student Worksheet
3 sections (37 marks) — definitions, true/false, application questions, TLS ordering task, and a 6-mark extended evaluation
Class Activity
4 hands-on tasks — Caesar Cipher encryption/decryption, Diffie-Hellman colour-mixing role play, real HTTPS certificate inspection in a browser, and discussion questions
MCQ Quiz
20 multiple choice questions across all topics, 20 marks, 20-minute timed quiz
Answers & Marking Scheme
Full mark scheme for all worksheet questions, MCQ answer key with explanations, activity model answers, and AO-levelled extended response criteria
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£11.99