header bg

Question:

Which of the following is MOST likely preventing the RAID array from operating optimally in the situation that an administrator notices the RAID 5 array is reporting a degraded health message. It contains three HDDs. A technician replaces the faulty HDD with a new one, but users then report access to the file share is not as fast as it used to be?

A The RAID array is rebuilding.
Explaination