In the event of a fire, the most appropriate failure policy is Fail open policy.
A system set to fail open does not shut down when failure conditions are present. Instead, the system remains “open” and operations continue as if the system were not even in place. This strategy is used when access is deemed more important than authentication.
Fail Open systems allow access as opposed to Fail Closed systems that block access. When handling errors, developers need to carefully choose what actions to take.
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