From the listed components only the Champion Challenger randomly selects.
Champion Challengercomponents randomly allocate customers between two or more alternative components, thus allowing for testing the effectiveness of various alternatives. For example, you can specify that 70% of customers are offered product X and 30% are offered product Y.
Switchcomponents apply conditions to select between components. These components are typically used to select different issues (such as, interest or risk) or they select a component based on customer characteristics or the current situation.