Your team is developing a security information management system that will be accessed 24 hours a day / 7 days a week. You decide to include Mean Time Between Failure (MTBF) as one of the performance metrics for the system. What characteristics make this an effective metric?
It is relevant to the basic requirements of the system, and the data is clear and unambiguous.
The precision of the data outweighs the cost of its collection.
The metric is a best practice in software development projects.
The data indicates specific problem areas to fix.
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