According to the scenario presented in the exhibit,

Which of the changes should be investigated first to correct the problem?

A.
More disk cache memory was allocated to all data volumes.

B.
The NUMSTATIC value of the Pathway servers was increased from 2 to 4.

C.
The business is growing and the transaction rate increased by 18% over the last several
months.

D.
Operations eliminated its night shift staff and they now perform all online dumps and backups
during the day shift.