As the IT manager, you are responsible for verifying the disaster recovery plan's effectiveness. You decide to run backup systems with real data and workloads to validate performance without interrupting the production environment. Which testing method should you select?
The testing method described is parallel processing, where backup systems run concurrently with primary systems using real data. This allows for performance validation of backups without impacting live operations. Simulation testing involves virtual scenarios that may not use actual data. Tabletop exercises are discussion-based reviews of plans without system interaction. Failover testing switches operations to backup systems, which can interrupt the production environment.
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What is parallel processing in the context of disaster recovery?
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What are the other testing methods mentioned and how do they compare to parallel processing?
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Why is it important to verify a disaster recovery plan's effectiveness?