Q10 Single choice Mark for later What is the primary purpose of a user channel in Oracle Digital Assistant? A It provides the primary mechanism for embedding skills within a digital assistant. B It provides a simple way to expose PL/SQL packages as REST data services. C It provides a simple way to connect and adapt messages between a skill or digital assistant and a messenger client. D It provides a generic mobile app or web app that you can directly embed in any messenger client. E It provides a simple way to connect custom components with back-end systems. Correct answer