Your company's data center HVAC system has malfunctioned, causing a gradual increase in temperature. Despite having temperature sensors in place, the operations team was not notified of the issue until it caused several servers to shut down. Which environmental factor most likely failed to function correctly and should be evaluated to prevent future outages?
Electrical system monitoring
Cyclic redundancy checks (CRCs)
Humidity levels within the data center
Temperature sensor alerting mechanism