Which of the following are the MOST likely explanations for these scenarios?

A company has deployed MFA Some employees, however, report they ate not gelling a notification on their mobile device Other employees report they downloaded a common authenticates application but when they tap the code in the application it just copies the code to memory instead of confirming the authentication attempt.

Which of the following are the MOST likely explanations for these scenarios? (Select TWO)
A . The company is using a claims-based authentication system for MFA
B . These are symptoms of known compatibility issues with OAuth 1 0
C . OpenID Connect requires at least one factor to be a biometric
D . The company does not allow an SMS authentication method
E . The WAYF method requires a third factor before the authentication process can complete
F . A vendor-specific authenticator application is needed for push notifications

Answer: C,E