In this process, the maintenance personnel use which the following troubleshooting basic methods?

Maintenance personnel find storage fault indicator light, log management interface and find RAID group downgrade warning, and directly positioned to a hard disk failure. By replacing the hard disk troubleshooting.

In this process, the maintenance personnel use which the following troubleshooting basic methods?
A . logical reasoning
B . Phenomenon Analysis
C . Replacement method
D . alarm information analysis

View Answer

Answer: D