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Chapter 10: Disaster Recovery > Frequently Asked Questions - Pg. 270

270 Chapter10·DisasterRecovery FrequentlyAskedQuestions Q: What backup and recovery options are available to virtualized resources? A: Virtualized resources such as virtual machines can typically be backed up and restored using one of three methodologies: file-level backup and restore, system- level backup and restore, and shared storage-level backup and restore. Q: How often should the DR plan be tested? A: At the very minimum the DR plan should be tested on an annual basis. This should include validating that all of the resources required to be operational in the event of a disaster are able to be successfully restored both to the DR site as well as back into production. In areas that experience known disaster times (for example hurricane season) the DR plan should be validated more frequently.