When an administrator is troubleshooting a system, which of the following describes the NEXT course of action if a change does not solve the problem?()

题目
When an administrator is troubleshooting a system, which of the following describes the NEXT course of action if a change does not solve the problem?()

A. Establish a new theory of probable cause.

B. Reverse the change.

C. Implement the next logical change.

D. Perform a root cause analysis.