Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
You manage 20 Windows and Linux Azure virtual machines that run line-of-business apps. If the primary Azure region fails, the VMs must start in the paired region with an RPO of no more than 5 minutes and an RTO under one hour. Administrators must also be able to restore individual files or folders from any point-in-time backup taken during the last 30 days. You need a single, low-maintenance solution that meets both disaster-recovery and granular restore requirements. What should you recommend?
Configure Azure Site Recovery to replicate the virtual machines to a secondary region and enable Azure Backup with daily application-consistent backups retained for 30 days.
Deploy a cross-region availability set that includes all virtual machines to achieve regional redundancy.
Store all virtual hard disks (VHDs) in geo-zone-redundant storage (GZRS) and rely on storage replication for disaster recovery and file restoration.
Enable Azure Backup with geo-redundant storage (GRS) for the virtual machines only.
Azure Site Recovery provides near-continuous replication of Azure VMs to a secondary region, delivering RPOs as low as 30 seconds and built-in orchestration for failover within an hour. Because ASR does not offer item-level recovery, enabling Azure Backup on the protected VMs adds daily application-consistent backups that let administrators restore files or folders from any point in the last 30 days. Together, ASR and Azure Backup deliver the required sub-5-minute RPO, sub-hour RTO, and granular restore capability with minimal operational overhead. The other options lack either low-RPO replication, automated regional failover, or file-level restore.
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Microsoft Azure Solutions Architect Expert AZ-305
Design business continuity solutions
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