$55\mathrm{.}6\%$ complete

Question

In considering availability concerns, what use might a lockable faceplate on a server$-$class computer be$?$

A$.$It may prevent a natural disaster from damaging the hardware and corrupting the data.

B$.$It may prevent the computer or server from overheating and shutting down.

C$.$It may prevent a hacker from obtaining remote unauthorized network access.

D$.$It may prevent the user from switching the machine on$/$off or accessing removable drives and ports.