VCP-DCV Configure and Manage vSphere Storage Practice Question
A company is implementing VMware vVols with a VASA provider from a major storage vendor. The environment includes multiple ESXi hosts and a vCenter Server. After binding a virtual machine to a vVol, the administrator notices that the VM cannot power on. The storage status shows 'Not mounted'. What is the most likely cause?
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
✓
The VASA provider is not registered on the ESXi host where the VM is being powered on
vVols require storage container binding per host. If the VASA provider is not properly registered on that host, the vVol cannot be mounted. Option A is correct. Option B (vCenter Server not connected) does not prevent direct mount if the host has the provider. Option C (protocol endpoint not reachable) would affect all VMs. Option D (storage policy) would affect placement, not power-on.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The VASA provider is not registered on the ESXi host where the VM is being powered on
Why this is correct
The VASA provider must be registered on the specific ESXi host to mount the vVol. Without registration, the storage system cannot present the vVol to that host.
- ✗
The vCenter Server is not connected to the VASA provider
Why it's wrong here
While vCenter must be connected to the VASA provider for management, the direct mount of a vVol during power-on does not require vCenter connectivity; it occurs at the ESXi host level.
- ✗
The protocol endpoint is not reachable from the ESXi host
Why it's wrong here
If the protocol endpoint (PE) is unreachable from the ESXi host, all VMs using that PE would be affected, not just a single VM. Additionally, the error would not show 'Not mounted' specifically.
- ✗
The storage policy does not include the correct capability
Why it's wrong here
Storage policy capabilities determine placement of VMs on datastores, not the ability to power on an already-bound vVol. Incorrect policy would prevent initial provisioning.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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