question 21 (2 points)\nwhich of the following is a key kpi for o&m performance?\nnet promoter score\nmean…

question 21 (2 points)\nwhich of the following is a key kpi for o&m performance?\nnet promoter score\nmean time between failures (mtbf)\ncustomer acquisition cost\nmarket share
Answer
Brief Explanations:
Net Promoter Score measures customer loyalty, Customer Acquisition Cost is related to marketing - sales cost, and Market Share is about market position. Mean Time Between Failures (MTBF) is a key metric for measuring the reliability and performance of operations and maintenance (O&M), indicating the average time between equipment or system failures.
Answer:
B. Mean Time Between Failures (MTBF)