What is the primary purpose of the CRUD technique?

The correct answer is option a (To validate the set of defined use cases).

A use case is referred to as an activity done by the system in response to an event. CRUD technique, an acronym for Create, Read or Report, Update, and Delete technique is used for identifying use cases. Here, the analyst checks the data the needs to be processed by the system, and creates use cases that create, report on, update, and delete the data items.