Which of the following are considered benefits of using policies in Vault?

Comprehensive and Detailed In-Depth Explanation:

Vault policies offer several benefits for access control. The Vault documentation states:

"There are many benefits to using Vault policies, including:

Provides granular access control to paths within Vault to control who can access certain paths inside Vault

Policies have an implicit deny, meaning that policies are deny by default - no policy means no authorization

Policies provide Vault operators with role-based access control so you can ensure users only have access to the paths required"—Vault Tutorials: Policies

B: Correct. Granular control is a core feature.

C: Correct. Implicit deny enhances security:

"Policies in Vault follow the principle of least privilege by having an implicit deny."

—Vault Policies

D: Correct. Role-based access simplifies management.

A: Incorrect; tokens can have multiple policies:

"Policies are indeed attached to tokens, but tokens can be assigned more than one policy if needed. Policies are cumulative and capabilities are additive."

—Vault Tutorials: Policies