单选题The first requirement for logical troubleshooting of any system is the ability to （）.Acollect all available data on a casualtyBrecognize normal operationCidentify the probable cause of a symptomDisolate the faulty component
单选题
The first requirement for logical troubleshooting of any system is the ability to （）.
A
collect all available data on a casualty
B
recognize normal operation
C
identify the probable cause of a symptom
D
isolate the faulty component
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