How is quality control performed?

A.
By identifying quality standards that are relevant to the project and determing how to satisfy them.
B.
By monitoring specific project results in compliance with relevant quality standards and determining corrective actions as needed
C.
By ensuring that the entire project team has been adequately trained in quality assurance prosesses
D.
By applying Monte Carlo, sampling, Pareto analysis and benchmarking techniques to ensure conformance to quality standards.