You provide an Azure API Management managed web service lo clients. The back end web service implements HTTP Strict Transport Security (HSTS).
Every request to the backend service must include a valid HTTP authorization header.
You need to configure the Azure API Management instance with an authentication policy.
Which two policies can you uses? Each correct answer presents a complete solution . NOTE: Each correct selection is worth one point.
A . Certificate Authentication
B . Basic Authentication
C . OAuth Client Credential Grant
D . Digest Authentication
Answer: A,C