A medium-sized enterprise has recently revised its disaster recovery plan. During an unexpected power outage, it was observed that certain critical servers did not switch over to the backup generator, causing significant downtime. The backup generator itself was functional, and other non-critical systems remained operational on backup power. Which aspect of the disaster recovery plan was most likely overlooked?
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The disaster recovery plan lacked adequately scheduled testing and exercises.
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The plan had insufficient details on reporting and monitoring processes for power outages.
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The plan did not have an up-to-date contact list for all critical personnel.
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There was no designated alternative disaster recovery site selected.
Testing and exercises are a critical aspect of ensuring that a disaster recovery plan will function correctly when needed. Regularly scheduled testing verifies the operability of backup systems, such as generators, and their ability to handle the expected load. If this component is overlooked, certain systems may be incorrectly configured or not included in the failover procedures, leading to failures when actual disasters strike. Reporting and monitoring processes ensure that there is clear visibility on the status of systems during a disaster, but they do not inherently test the effectiveness of failover procedures. Selecting appropriate disaster recovery sites is important for ensuring that business operations can continue, but this does not directly relate to the functionality of backup power for on-premise equipment. Having up-to-date contact lists is critical for communication during a disaster but does not influence the operational capability of backup systems.
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