Correct Answer: The Premium SSD disks are hitting their per-disk throughput limit; either stripe multiple disks using LVM or switch to Azure Ultra Disk / ANF for higher throughput
Azure Premium SSD disks have per-disk IOPS and throughput limits (e.g., P30 = 200MB/s, P40 = 250MB/s). If a single disk is saturating at 250MB/s, the I/O bottleneck is disk through...
Correct Answer
The Premium SSD disks are hitting their per-disk throughput limit; either stripe multiple disks using LVM or switch to Azure Ultra Disk / ANF for higher throughput
Why This Answer Is Correct
Azure Premium SSD disks have per-disk IOPS and throughput limits (e.g., P30 = 200MB/s, P40 = 250MB/s). If a single disk is saturating at 250MB/s, the I/O bottleneck is disk throughput, not CPU or network. Solutions: (1) **LVM striping** across multiple Premium SSDs to aggregate throughput, (2) switch to **Azure Ultra Disk** (configurable up to thousands of MB/s), or (3) use **Azure NetApp Files** which scales throughput with capacity tier. The VM itself also has a VM-level I/O cap — verify both disk and VM limits against the workload profile.
This question evaluates your knowledge of Azure Virtual Machines — a core concept tested in Microsoft Certified: Azure for SAP Workloads Specialty (AZ-120). Understanding Azure Virtual Machines is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.
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