AZ-802 Manage Storage and File Services Practice Question
An administrator is managing a Hyper-V cluster with Scale-Out File Server (SOFS) storage. They want to prevent a single non-critical virtual machine from consuming all available storage bandwidth and affecting the performance of a production database VM. Which feature should be used?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Storage QoS Policy
Storage Quality of Service (QoS) provides a way to centrally monitor and manage storage performance for virtual machines. By creating and applying QoS policies, administrators can set minimum and maximum throughput and IOPS limits. This ensures that critical workloads receive the necessary resources while 'noisy neighbors' are restricted from impacting the overall health of the storage cluster.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Resource Pools
Why it's wrong here
Resource Pools in Hyper-V are used to measure and account for the resource usage of groups of virtual machines. While they provide excellent data for chargeback or capacity planning, they do not provide the active enforcement mechanisms needed to throttle storage I/O or guarantee a specific level of performance for a virtual machine disk.
- ✓
Storage QoS Policy
Why this is correct
Storage QoS policies allow administrators to define 'Minimum IOPS' and 'Maximum IOPS' or 'Maximum Bandwidth' for virtual disks. These policies can be assigned to individual VMs or groups of VMs. In a SOFS environment, these policies are enforced by the file server, ensuring consistent performance for mission-critical applications across the entire cluster infrastructure.
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Storage Tiering
Why it's wrong here
Storage Tiering automatically moves frequently accessed data to faster media (like SSDs) and less frequent data to slower media (like HDDs). While this improves overall performance by optimizing data placement, it does not provide a mechanism to limit the consumption of resources by a specific virtual machine or prevent it from monopolizing the storage fabric.
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Virtual Fibre Channel
Why it's wrong here
Virtual Fibre Channel allows a virtual machine to connect directly to a Fibre Channel SAN. While this can provide high performance, it does not include built-in Windows Server policy mechanisms to throttle traffic. It bypasses the standard software-defined storage stack, making it harder to manage QoS using standard Windows Server tools and policies.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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