Which of the following is required to apply an experience-based testing approach''

Experience-Based Testing:

This testing approach relies on the testers' knowledge, experience, and intuition about the system and its usage rather than formal requirements or models.

It is often used when documentation is incomplete or time constraints limit more structured approaches.

Evaluation of Options:

A(Detailed requirements) andB(Usage models) are associated with structured testing techniques.

Cis correct as experience-based testing depends on the testers' understanding of the system.

D(Full risk assessment) supports risk-based testing, not experience-based testing.

References and Syllabus Alignment:

Experience-based testing is detailed under "Test Techniques" (TM-1.4.1) in the ISTQB syllabus​​.