What is the maximum acceptable amount of data loss measured in time, called?
A CISSP practice question covering Domain 1: Security and Risk Management. Try answering before reading the explanation below.
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Why "RPO — Recovery Point Objective" is the right answer
RPO defines how much data, expressed in time, the business can afford to lose (e.g., last 4 hours of transactions). RTO is how long until service restoration. MTBF is hardware-reliability. MTD is the absolute upper bound on downtime before the business fails.
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