Which of the following are examples of physical security?

Which of the following are examples of physical security? (Select TWO).

A.
Badges

B.
Anti-virus

C.
Encryption

D.
Firewalls

E.
Locked doors

Explanation:

Reference:
http://www.hhs.gov/ocr/privacy/hipaa/administrative/securityrule/physsafeguards.pdf