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A Chief Information Security Officer is concerned about the operational impact of ransomware. In the event of a ransomware attack, the business requires the integrity of the data to remain intact and an RPO of less than one hour. Which of the following storage strategies best satisfies the business requirements?
Correct Answer: B
Remote journaling continuously sends log updates to a remote system, ensuring near-real-time backup and an RPO (Recovery Point Objective) under one hour. Key concepts: RPO under one hour means minimal data loss. Remote journaling provides rapid recovery by keeping near-live backups. Other options: A (Full disk encryption) protects against unauthorized access but does not aid recovery. C (Immutable storage) prevents modification but does not ensure real-time backups. D (RAID 10) improves redundancy but does not help against ransomware.