What causes item data to be invalidated in the SAP Commerce Cloud entity cache? Note: There are 2 correct answers to this question.

What causes item data to be invalidated in the SAP Commerce Cloud entity cache? Note: There are 2 correct answers to this question.
A . Receiving an invalidation event for the item via cluster messaging
B . Calling the modelService.create( ) method passing a Model class
C . Calling a setter method on a Model class
D . Calling the modelService.save( ) method passing an item model

Answer: A, D