After running into the data center with a vehicle, attackers were able to enter through the hole in the building
and steal several key servers in the ensuing chaos. Which of the following security measures can be put in
place to mitigate the issue from occurring in the future?

A.
Fencing

B.
Proximity readers

C.
Video surveillance

D.
Bollards

Explanation:
To stop someone from entering a facility, barricades or gauntlets can be used. These are often used in
conjunction with guards, fencing, and other physical security measures. Bollards are physical barriers that are
strong enough to withstand impact with a vehicle.