Microsoft Azure Architect Technologies (AZ-300) Practice Exam

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Which unit is used to measure RPO?

Units of time
Units of data
Data transfer rate
Data integrity levels

The correct answer is: Units of time

RPO, or Recovery Point Objective, is a crucial metric in disaster recovery and data protection that indicates the maximum acceptable amount of data loss measured in time. Essentially, it defines the point in time to which data must be recovered after an outage. For instance, if the RPO is set at four hours, this means that in the event of a disaster, data should be restored to its state four hours prior to the disruption. This time frame helps businesses plan their backup strategies effectively, ensuring that they can achieve their data recovery goals within the specified limits. Other options do not accurately reflect the nature of RPO. Units of data might suggest an amount of information, such as megabytes or gigabytes, rather than the temporal aspect of data recovery. Data transfer rate refers to the speed at which data can be moved, which is not related to how much data can be lost in a given time. Data integrity levels pertain to the accuracy and consistency of data, rather than the recovery time following a disruption. Therefore, understanding RPO as a measure based on units of time is essential for effective data management and disaster recovery planning.