Check your knowledge level and prepare for international certification with questions aligned to LSSIAP, ILSSI and IASSC exam styles.
Each test contains representative questions for the corresponding certification exam. Retake as many times as you like, free of charge.
Lean Six Sigma foundations: DMAIC principles, waste, variation, core tools. The entry level for international certification.
Start test →Advanced Lean tools: Value Stream Mapping, 5S, Kaizen, value stream flow, waste reduction in complex processes.
Start test →Applied DMAIC, basic statistics, MSA, Cp/Cpk, control charts. The level for leading improvement projects.
Start test →Advanced statistics, DOE, regression, ANOVA, complex project management. The expert level in Lean Six Sigma.
Start test →Questions are built to match the structure and difficulty of LSSIAP, ILSSI and IASSC certification exams.
Retake as many times as you like, free and without registration. Ideal for intensive pre-exam preparation.
At the end of each test you receive your score and can identify areas needing deeper study before certification.
The tests reflect LSSIAP, ILSSI Cambridge and IASSC standards — the most recognised LSS certification bodies in the world.
Enviso has been preparing Lean Six Sigma professionals since 2004. Test content reflects our experience with 35,000+ certified professionals.
The tests are ideal both as an independent knowledge check and as preparation for Enviso's certified courses.
Once you have practised with the free tests, fă pasul următor — înscrie-te la cursul cu certificare internațională LSSIAP sau ILSSI.
Vezi cursurile Lean Six Sigma Calendar sesiuni 2026