单选题Which of the following should be done FIRST when troubleshooting a problem？（）ATest the theory to determine the causeBPerform a root cause analysisCEstablish a plan of actionDDocument outcomes
单选题
Which of the following should be done FIRST when troubleshooting a problem？（）
A
Test the theory to determine the cause
B
Perform a root cause analysis
C
Establish a plan of action
D
Document outcomes
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