Are you planning to take the Security+ exam? If so, make sure you understand physical security concepts. For example, Can you answer this sample Security+ question?
Q. You need to secure access to a data center. Which of the following choices provides the BEST physical security to meet this need? (Select THREE.)
A. Biometrics
B. Cable locks
C. CCTV
D. Mantrap
See if you're correct and view the full explanation here.