Which access control model is BEST suited in an environment where a high security level is required and where it is desired that only the administrator grants access control?
Correct Answer: B
Explanation/Reference:
Explanation:
MAC systems are generally very specialized and are used to protect highly classified data. Users require the correct security clearance to access a specific classification of data.
Incorrect Answers:
A: Discretionary Access Control (DAC) allows data owners to dictate what subjects have access to the files and resources they own.
C: An access control matrix is a table of subjects and objects indicating the actions individual subjects are allowed to take on individual objects.
D: TACACS is a remote access protocol, not an access control model.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 220-237