VCP-VVF Vmware Vsphere Foundation Fundamentals Practice Question
An administrator is configuring storage I/O control (SIOC) on a datastore shared by multiple clusters in a vSphere Foundation environment. During peak hours, a batch processing VM overwhelms the datastore with IOPS. Which SIOC configuration prevents this VM from starving other critical workloads?
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
✓
Configure a hard IOPS limit on the specific virtual machine disks causing contention.
Setting an explicit IOPS limit or shares configuration per virtual disk in SIOC governs the maximum IOPS a VM can consume on the shared datastore.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the datastore congestion threshold percentage from 30ms to 50ms.
Why it's wrong here
Increasing the latency threshold delays SIOC enforcement rather than preventing starvation.
- ✓
Configure a hard IOPS limit on the specific virtual machine disks causing contention.
Why this is correct
A hard IOPS limit caps the storage throughput consumed by the targeted virtual disks.
- ✗
Disable Storage DRS on the shared datastore cluster.
Why it's wrong here
Disabling Storage DRS removes automated balancing and does not control IOPS allocation.
- ✗
Assign a higher disk share value to the batch processing virtual machine.
Why it's wrong here
Higher shares would give the batch VM more IOPS priority, worsening starvation.
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 August 2026 · checked against the official VMware exam blueprint
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