The Plan-Do-Check-Act cycle can be used to plan and implement Service Management Processes: How many times should each stage of the cycle be visited?

• There should be a single Plan and Do, and then Check and Act should be carried out multiple times to Implement Continual Improvement
• There should be a single %n. then the Do-Check-Act cycle should be repeated multiple times to Implement Continual improvement
• The entire cycle should be repeated multiple times to Implement Continual Improvement
• Each stage should be carried out once in the order Plan-Do-Check-Act