# Q3(c) · TLS impersonation

Subject: Computer Networks

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/cn/#tee/papers/paper-2024-feb-ai-reexam/q3c

Canonical: https://deep-learning-study-room.vercel.app/read/cn/tee/papers/paper-2024-feb-ai-reexam--q3c/

Exact historical variant. Current-syllabus questions solved; excluded topics and source limitations stated.

### Q3(c). Bob connects to Trudy pretending to be Alice. Trudy sends Alice’s certificate. At what TLS-handshake step does Bob discover the impersonation? [5 marks]

### Answer

This historical topic is not named in the current six-unit syllabus. It is recorded for a complete paper inventory, but excluded from the required preparation and current-unit mark totals.