What does the principle of least privilege require in system administration?

What does the principle of least privilege require in system administration?

• A. Admin privileges should be granted to all users to simplify operations.
• B. Admin privileges restricted to essential tasks; implement role-based access control and just-in-time privileges
• C. Privileges are granted permanently and never reviewed.
• D. Access controls are optional for non-critical systems.

Answer: (B)