Computer Security & Forensics-Exams, Exams of Computer Security

The document is an exam paper for the course "Computer Security and Forensics" (COM3501) from the University of Sheffield. It covers four main topics: Security Fundamentals & Access Control, Cryptography & PKIs, Security Protocols, and Application Security. The questions test knowledge of the CIA triad, multi-factor authentication, role-based access control (RBAC), multi-level security, RSA encryption, DES-inspired encryption, the Needham-Schroeder protocol, SQL injection vulnerabilities, and security testing tools. The exam requires students to define concepts, solve cryptographic problems, analyze security protocols, and evaluate application security vulnerabilities. The questions are designed to assess both theoretical understanding and practical application of computer security principles. The exam is structured to test clarity of argument, logical reasoning, and technical precision.