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.