单选题Which of the following steps in the troubleshooting and repair process is MOST effectivereduce redundant effort？ （）A Discuss the problem with the user and identify any recent changes.B Identify the root cause of the failure.C Verify the problem resolut
题目
单选题
Which of the following steps in the troubleshooting and repair process is MOST effectivereduce redundant effort？ （）
A
Discuss the problem with the user and identify any recent changes.
B
Identify the root cause of the failure.
C
Verify the problem resolution.
D
Document activities and outcomes of repair steps.