Final answer:
The Recovery Time Objective (RTO) is a metric that determines the maximum amount of time a system or process can be down before there are serious consequences. The options given represent different levels of desired RTOs. A shorter RTO indicates a higher level of resilience and faster recovery.
Step-by-step explanation:
The Recovery Time Objective (RTO) is a metric used in business continuity planning to determine the maximum amount of time that a system or process can be down before there are serious consequences. It represents the target time for recovery of a system after a disruption or failure.
The options provided, 24 hours, 1 hour, and zero hours, represent different levels of desired RTOs. A shorter RTO indicates a higher level of resilience and a faster ability to recover.
RTO is a concept used in business continuity planning that specifies the amount of time allowed for a service to be restored after a disruption. With the information provided, there is no explicit mention of the RTO for the national credit card service.