An enterprise cloud security architect is defining business continuity parameters for a mission-critical billing microservice following a Business Impact Analysis (BIA). Match each continuity metric on the left with its precise operational boundary definition on the right.
- Recovery Point Objective (RPO)The maximum acceptable age of unrecovered data and transactions lost during an unscheduled disruption.
- Recovery Time Objective (RTO)The targeted duration of time allocated specifically to restore technical infrastructure and system functionality.
- Maximum Tolerable Downtime (MTD)The absolute maximum elapsed time a business function can remain unavailable before incurring fatal operational harm.
- Work Recovery Time (WRT)The additional timeframe required post-system restoration for data integrity verification, testing, and operational synchronization.
Answer
Recovery Point Objective (RPO) matches the maximum acceptable age of unrecovered data; Recovery Time Objective (RTO) matches the targeted duration allocated to restore system functionality; Maximum Tolerable Downtime (MTD) matches the absolute maximum elapsed time a service can remain offline before fatal harm; and Work Recovery Time (WRT) matches the timeframe needed for post-restoration testing and data verification.
Each business continuity term describes a distinct timeline element in BIA planning. Recovery Point Objective defines allowable data loss span; Recovery Time Objective defines system restoration speed goals; Maximum Tolerable Downtime sets the non-negotiable total outage ceiling; and Work Recovery Time represents the testing phase necessary after technical restoration.
Step-by-Step Solution
Key Concept
Business Impact Analysis (BIA) Metrics: RPO, RTO, MTD, and WRT relationships