Mirroring (Option B) is the best choice for applications requiring a short Recovery Point Objective (RPO) because it provides real-time replication of data, ensuring minimal data loss. ISACA CISA Reference: Data replication strategies in disaster recovery planning emphasize mirroring for high-availability systems. Risk Implication: If mirroring is not implemented for critical systems, significant data loss may occur in the event of a failure. Alternative Choices: Option A: Snapshots capture data at specific points in time, leading to potential data loss. Option C: Log shipping has delays due to batch processing. Option D: Backups are periodic and not suitable for short RPO needs.