A company is experiencing issues with third parties tailgating authorized users during entry to
secure server rooms. Which of the following would BEST alleviate this problem?
A.
Retinal scanners
B.
Mantraps
C.
Door locks
D.
Smart card badges
Explanation:
http://www.datacenterjournal.com/design/what-is-a-mantrap-and-do-you-need-one/