AZ-305 Question #409: Real Exam Question with Answer & Explanation

Question

Hotspot Question You have an Azure subscription. The subscription contains multiple virtual machines that run Windows Server and host Failover Clustering workloads. Each cluster contains the drives shown in the following table. You need to recommend a backup solution for drives P and S. The solution must meet the following requirements: - The backup of drive P must be application-consistent. - The backup of drive S must be crash-consistent. - Costs must be minimized. What should you include in the recommendation for each disk? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point. Answer:

Explanation

Drive P requires application-consistent backup, which is only achievable through the Enhanced policy in Azure Backup for Azure VMs, as it uses VSS (Volume Shadow Copy Service) to ensure data integrity for Failover Clustering workloads. Drive S only requires crash-consistent backup, which the Standard policy cannot provide for shared/cluster disks, but the Enhanced policy with selective disk backup can target specific disks at lower cost - however, since the Standard policy does not support application-consistent backups for clustered shared volumes and cannot selectively back up individual disks in a cost-optimized way for Failover Clustering scenarios, the Enhanced policy with selective disk backup enabled is the correct recommendation for both drives, allowing drive P to get application-consistent backups and drive S to be included at crash-consistent level. The key distinction is that the Enhanced policy supports selective disk backup (excluding/including specific disks), allowing cost minimization by only backing up the required disks under one policy tier.

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