The qualifications are based on a glossary of terms and a number of syllabi, whose contents have been successfully used by thousands of organizations worldwide.
The diagram below summarizes the existing qualifications and the associated syllabi, as of March 2014.
CORE
expert level
ADVANCED LEVEL
FOUNDATION LEVEL
SPECIALIST
ADVANCED LEVEL
The ISTQB® also defines the guidelines that have to be applied at international level for accreditation of training providers and for the examination process.