Joe has read and write access to his own home directory. Joe and Ann are collaborating on a project, and Joe
would like to give Ann write access to one particular file in this home directory. Which of the following types of
access control would this reflect?
A.
Role-based access control
B.
Rule-based access control
C.
Mandatory access control
D.
Discretionary access control
Explanation:
Discretionary access control (DAC) allows access to be granted or restricted by an object’s owner based on
user identity and on the discretion of the object owner.