Encryption | CS PPT +Worksheets +Activity + Mcq Quiz + Answers_Marking Scheme

Encryption | CS PPT +Worksheets +Activity + Mcq Quiz + Answers_Marking Scheme

Lecture PPT (13 slides)Learning objectives → Key terms → How encryption works → Symmetric → Asymmetric → Digital signatures (worked example) → SSL/TLS → TLS HTTPS worked example → Digital certificates & PKI → Comparison table → Practice questions → Summary

Worksheet (Word, /40)5 sections, 15 questions — key term matching, fill-in-the-blank, symmetric/asymmetric descriptions, TLS handshake ordering, certificate contents, PKI chain of trust

Class Activity (Word)4 activities: Caesar cipher warm-up, sorting challenge (symmetric vs asymmetric), TLS handshake role play, real certificate analysis in browser — plus an exit ticket

MCQ Quiz PPT (22 slides)20 questions across all topics, colour-coded by topic + answer key slide

Answers & Marking Scheme (Word)Full model answers with examiner notes, mark allocations per step, MCQ key with explanations, grade boundary table