What security model is dependent on security labels? 

Answer options:

A. Discretionary access control
B. Label-based access control
C. Mandatory access control
D. Non-discretionary access control

C

With mandatory access control (MAC), the authorization of a subject`s access to an object is dependant upon labels, which indicate the subject`s clearance, and the classification or sensitivity of the object. Label-based access control is not defined. Source: KRUTZ, Ronald L. & VINES, Russel
D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, John Wiley & Sons, 2001, Chapter 2: Access control systems (page 33).