Which of the following is the MOST cost effective way to allow this server to shutdown gracefully?

A technician has found that the uninterruptible power supply (UPS) connected to a server does nothave sufficient battery power to allow the server to shutdown gracefully. Which of the following is the MOST cost effective way to allow this server to shutdown gracefully?

A.
Install a second UPS.

B.
Increase the size of the swapfile.

C.
Increase the size of the pagefile.

D.
Install an extended battery pack into the UPS.