Physical access controls are usually implemented based on which of the following means (choose
all that apply):

A.
mechanical locks

B.
guards

C.
operating systems

D.
transaction applications

E.
None of the choices.

Explanation:

In physical security, access control refers to the practice of restricting entrance to authorized
persons. Human means of enforcement include guard, bouncer, receptionist … etc. Mechanical
means may include locks and keys.