Leon wants to ensure his project delivers the required quality standard. He asks his project team to create quality checkpoints and asks sub-teams to check each others work on the project. What is the nature of the action he is taking?
A. Corrective action, he wants to ensure mistakes are corrected.
B. Preventive action, he is preventing defects by planning.
C. Corrective action, he is pre-empting future problems.
D. Preventive action, to prevent future defects.
