CompTIA Security+ Question C-11

Peter Has read and write access to his own home directory. Peter and Ann are collaborating on a project, and Peter 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

Answer: D

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.