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CV0-002 · Question #107

An administrator needs to over allocate storage on VMs in a development cluster. Which of the following storage practices will be followed?

The correct answer is B. Thin provisioning. To over-allocate storage on virtual machines in a development cluster, the practice of thin provisioning is used.

Deployment

Question

An administrator needs to over allocate storage on VMs in a development cluster. Which of the following storage practices will be followed?

Options

  • ALUN masking
  • BThin provisioning
  • CThick provisioning
  • DFC zoning

How the community answered

(33 responses)
  • A
    6% (2)
  • B
    91% (30)
  • C
    3% (1)

Why each option

To over-allocate storage on virtual machines in a development cluster, the practice of thin provisioning is used.

ALUN masking

LUN masking is a security feature used to restrict access to a LUN from unauthorized servers, not for storage allocation.

BThin provisioningCorrect

Thin provisioning allocates only the storage space actually written to disk, while presenting a larger, virtually provisioned size to the virtual machine. This allows the total virtual disk capacity assigned to VMs to exceed the physical storage capacity, enabling over-allocation.

CThick provisioning

Thick provisioning pre-allocates and reserves the entire specified storage capacity on the physical array when the virtual disk is created, preventing over-allocation.

DFC zoning

FC zoning is a Fibre Channel SAN configuration that controls device communication and visibility within the SAN, unrelated to storage allocation practices.

Concept tested: Thin provisioning for storage over-allocation

Source: https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/dn282276(v=ws.11)

Topics

#Thin provisioning#Storage management#Virtualization storage

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