Which one of the following is not a kind of OPR?

The identification of the correct answer hinges upon understanding the term "OPR," which stands for "Operational Performance Requirement." In the context of security and alarm systems, OPRs often refer to standardized protocols or performance standards required for monitoring and responding to alarms effectively.

The option consistent with an OPR is the fire alarm monitoring center, which oversees fire alert systems and ensures they function according to safety standards. Similarly, a residential security system aligns with OPRs, as it involves protocols for monitoring and protecting residential premises. Additionally, a central station for alarm notifications fits the OPR framework, as it provides comprehensive monitoring services according to established performance metrics for alarm systems.

In contrast, a fast food hold-up alarm does not typically represent a broad operational requirement or standard like the other options. It is specific to an individual business's security measures and does not serve as a generalized standard across the industry. This specificity makes it the option that does not conform to the understanding and framework typically associated with OPRs in the context of security monitoring.