What is the most likely cause of this failure?

Scenario: A Citrix Engineer wants to configure the Citrix ADC for OAuth authentication. The engineer uploads the required certificates, configure the actions, and creates all the necessary policies. After binding the authentication policy to the application, the engineer is unable to authenticate.

What is the most likely cause of this failure?
A . The log files are full.
B . The Redirect URL is incorrect.
C . The certificates have expired.
D . The policy bindings were assigned incorrect priorities.

Answer: D

Explanation:

Reference: https://docs.citrix.com/en-us/citrix-adc/current-release/aaa-tm/entities-of-authentication-authorization-auditing/authentication-policies.html