In CRUD terminology, update is the operation that modifies an existing record, table entry, object, or view. Create adds something new, read retrieves existing information, update changes existing information, and delete removes it. Some APIs use replace or patch semantics, but the CRUD term being tested for modification is update. Cisco CCNA 200-301 v1.1 Automation and Programmability includes CRUD because REST APIs and controller-based platforms use these concepts constantly. For example, an HTTP GET commonly maps to read, POST often maps to create, PUT or PATCH may map to update, and DELETE maps to delete. The wording says ' modifies an existing table or view, ' which rules out create and read. Replace is not one of the standard CRUD letters. The correct CRUD operation is update. Therefore, D is correct.