Which are NOT a step in the OAuth 2 0 authorization code grant process? Select all that are correct

Which are NOT a step in the OAuth 2 0 authorization code grant process? Select all that are correct
A . generate an authorization code
B . generate an access token
C . verify the device ID
D . validate the client API key
E . obtain the end user’s consent for the application to request the user’s protected resources
F . validate the developer name

Answer: A,E,F