Which of the following should the technician replace to prevent these issues in the future?

A user contacts a technician to troubleshoot server errors. The user explains that some files will not open on the server, the data backups are operational, and the weather has been bad. The technician notices missing time slots in the event log.

Which of the following should the technician replace to prevent these issues in the future?
A . System memory
B . Surge protector
C . Hard drives
D . Battery backup

Answer: D