单选题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.
单选题
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.
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