What is an example of a physical security measure?

A.
A code of conduct that requires staff to adhere to the clear desk policy, ensuring that
confidential information is not left visibly on the desk at the end of the work day

B.
An access control policy with passes that have to be worn visibly

C.
The encryption of confidential information

D.
Special fire extinguishers with inert gas, such as Argon

Explanation: