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For a system designed to dynamically adjust access permissions based on the sensitivity of the data being accessed, which model offers the greatest flexibility while ensuring data protection?
A
A mandatory access control (MAC) system that classifies all data and user roles with sensitivity levels, enforcing strict access rules.
B
A role-based access control (RBAC) system with static permissions assigned to user roles.
C
An attribute-based access control (ABAC) system that evaluates policies using attributes of users, data, and the environment.
D
A discretionary access control (DAC) system where data owners manually adjust permissions based on sensitivity.