A developer is building an integration with the Marketing Cloud API. In which two ways should the Client ID and Client Secret credentials be stored? Choose 2

A developer is building an integration with the Marketing Cloud API. In which two ways should the Client ID and Client Secret credentials be stored? Choose 2
A . Set credentials as environment variables in the application platform
B . Pass credentials in URL parameters over HTTPS
C . Set credentials as variables in application source code
D . Store credentials in a key management system (KMS)

Answer: A,D