Final answer:
The delegated request experience is not supported when two-step checkout is enabled on a service management platform. This limitation affects the ability to delegate cart items to another user during the checkout process.
Step-by-step explanation:
The condition under which the delegated request experience is not supported can be understood as a specific situation that the system cannot handle in the context of service management software or IT service platforms. The correct answer to the student's question is option b. If two-step checkout is enabled, the delegated request experience is not supported. This means that when users engage in a process where they add items to a cart and then subsequently proceed to a separate checkout step, the ability to delegate the request for those items to another user, such as in a corporate environment where an employee might request items on behalf of someone else, is not possible.
Options a, c, and d do not directly relate to the unsupported scenario for delegated requests. It is specifically the two-step checkout process that conflicts with the functionality of delegation in this case.