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Which of the following access control models requires s…

Which of the following access control models requires security clearance for subjects?

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A.
Identity-based access control

B.
Role-based access control

C.
Discretionary access control

D.
Mandatory access control

Explanation:
Mandatory access control (MAC) is an access policy that restricts access to objects based on the security
clearance of a subject and the classification of an object.
Incorrect Answers:
A: Identity-based access control is a type of DAC system that allows or prevents access based on the identity of
the subject.
B: Role-based access control (RBAC) provides access to resources according to the role the user holds within
the company or the tasks that the user has been assigned.
C: Access in a DAC model is restricted based on the authorization granted to the users.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 220-228


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