Traceability Matrix

Maps system requirements to their corresponding tests.

Matrix

ID	Requirement	Description	Test
FR-01	Work submission	Student can upload a PDF submission	TC-01 Unit / Integration
FR-02	Work review	Instructor can view assigned submissions	TC-02 Access Control Test
FR-03	Encryption	System encrypts documents before transmission	TC-03 Security Test
FR-04	Project creation	User can create a project (course)	TC-04 Functional Test
FR-05	Student management	Curator can add students to a course	TC-05 Functional Test
FR-06	Conversion	Instructor can initiate PDF-to-audio conversion	TC-06 Integration Test
NFR-01	Spike load	System handles sudden traffic surges	TC-07 Load (Spike Test)
NFR-02	Response time	Average response time ≤ 300 ms	TC-08 Load Test
NFR-03	Availability	System availability ≥ 99.9%	TC-09 Reliability Test
SEC-01	Access control	Cross-level data access is forbidden	TC-10 Access Control
SEC-02	Transmission security	Data is only transmitted in encrypted form	TC-11 Security Test

Summary

System quality is ensured through a combination of functional testing, load testing, and security verification. The key focus is validation of the Bell–LaPadula access model and cryptographic security.