CV0-003 · Question #467
A company provides IaaS services. Which of the following disk provisioning models for creating standard template should the company use to provision virtual instances?
The correct answer is A. Thin disk. In IaaS environments, thin disk provisioning is the preferred model for standard VM templates because it allocates storage dynamically, maximizing efficiency when deploying multiple instances.
Question
A company provides IaaS services. Which of the following disk provisioning models for creating standard template should the company use to provision virtual instances?
Options
- AThin disk
- BSCSI disk
- CSATA disk
- DThick disk
How the community answered
(61 responses)- A90% (55)
- B2% (1)
- C5% (3)
- D3% (2)
Why each option
In IaaS environments, thin disk provisioning is the preferred model for standard VM templates because it allocates storage dynamically, maximizing efficiency when deploying multiple instances.
Thin disk provisioning allocates storage space on demand as data is written rather than upfront, which conserves storage pool capacity in IaaS environments where many virtual instances are spun up from the same standard template.
SCSI is a storage bus interface standard used to connect physical or virtual disks, not a disk provisioning model that governs how storage space is allocated.
SATA is a physical hardware interface for connecting storage devices, not a provisioning model that determines how virtual disk space is allocated over time.
Thick disk provisioning allocates the full disk size at creation time, wasting storage capacity when deploying many template-based instances that may not immediately use all allocated space.
Concept tested: Thin vs thick virtual disk provisioning for IaaS templates
Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-storage/GUID-FD2B7B5B-4E0B-4BDA-95E7-87F5F6A7E39B.html
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