CompTIA A+ 220-901 – Q390

A user has a PC with RAID configuration and reports slow computer performance. A technician uses the manufacture’s diagnostic software, and the computer passes all tests. The technician then uses a defragmentation tool and hears clicking noises. Which of the following should the technician identify and replace?

A. Hard drive
B. System fan
C. SSD
D. RAID controller

Correct Answer: A