True or False?

Comprehensive and Detailed In-Depth Explanation:

False. Vault supports multiple auth methods, not just platform-specific ones. The Vault documentation states:

" Just because you are using a certain platform does not mean you need to use the related auth method. Vault offers a variety of auth methods that can be used based on the organization’s needs and existing infrastructure, allowing for flexibility and customization in authentication processes. "

— Vault Auth Concepts

B : Correct. Options like AppRole, LDAP, or JWT can be used on GCP:

" GCP auth MIGHT be the best option, but it’s not the ONLY option that you can use. "

— Vault Auth Concepts

A : Incorrect; Vault isn’t limited to GCP auth on GCP.