Context Analysis:

The scenario involves tight integration, architectural design, and data transformations, requiring detailed and structured approaches.

Access to architectural documents and experienced testers (former developers) aligns with model-based and white-box techniques.

Evaluation of Options:

A. Model-based and white-box:

Correct. Model-based testing leverages design documents, while white-box testing uses internal knowledge for detailed integration testing.

B. Experience-based and black-box:

Incorrect. This is less structured and doesn’t utilize available design documentation or tester expertise.

C. Risk-based and non-functional:

Incorrect. Risk-based testing focuses on high-priority areas but doesn’t leverage the design documents for integration specifics.

D. Requirements-based and functional:

Incorrect. While functional testing is relevant, requirements-based testing does not utilize internal system knowledge effectively.

Syllabus Alignment:

ISTQB emphasizes model-based and white-box testing as appropriate for systems with complex integrations (TM-1.2.6).