Which auth method is ideal for machine to machine authentication?
A . GitHub
B . UserPass
C . AppRole
D . Okta
Answer: C
Explanation:
The ideal method for a machine to machine authentication is AppRole although it’s not the only method. The other options are frequently reserved for human access.
Reference link: – https://www.hashicorp.com/blog/authenticating-applications-with-vault-approle/