Out-of-box, which functionality handles state transitioning for case management?

What action to be taken if the product has no configurable attributes?

Access to a Knowledge base or Article can be restricted based on a customer's assets and the product models using which of the following? (Choose two.)

If the CSM Demo Data Plugin has been installed what are two options either of which will prepare that instance to be used as part of the release path to production? (Choose two.)

Once a major case candidate is approved a major case is created. What then happens to the customer case?