A security manager requires fencing around the perimeter, and cipher locks on all entrances. The
manager is concerned with which of the following security controls?

A.
Integrity

B.
Availability

C.
Confidentiality

D.
Safety

Explanation:
Fencing is used to increase physical security and safety. Locks are used to keep those who are
unauthorized out.
Incorrect Answers:
A: Integrity means making sure that data has not been altered.
B: Availability is the act of making sure that data and systems are available to authorized users.
C: Confidentiality means preventing unauthorized users from accessing data.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis,
2014, pp. 401, 414