The Simple Security Property and the Star Property are key principles in
which type of access control?

A.
Mandatory

B.
Discretionary

C.
Rule-based

D.
Role-based

Explanation:
Two properties define fundamental principles of mandatory
access control. These properties are:
Simple Security Property. A user at one clearance level cannot
read data from a higher classification level.
Star Property. A user at one clearance level cannot write data to
a lower classification level