Final answer:
The company should focus on Mean Time Between Failures (MTBF) and Mean Time to Repair (MTTR) to know the average operating time without failure and repair time after failure. These metrics directly address the company's needs for system reliability and maintenance efficiency.
Step-by-step explanation:
The company reviewing its system reliability metrics should focus on Mean Time Between Failures (MTBF) and Mean Time to Repair (MTTR). MTBF is the average time a system operates between one failure and the next, representing system reliability. On the other hand, MTTR is the average time taken to repair a system after a failure occurs, reflecting the maintenance efficiency. These metrics offer crucial insights into system performance and are essential for continuous improvement of system reliability and maintenance processes.
Metrics like Recovery Time Objective (RTO) and Recovery Point Objective (RPO) are more specific to disaster recovery planning and data loss concerns. Whereas risk tolerance, risk appetite, risk assessment, and risk analysis are broader terms that deal with the organization's overall approach to managing risk, and they do not specifically address system reliability and maintenance times.