NCP-EUC Question #6: Real Exam Question with Answer & Explanation

Question

An administrator has been evaluating a performance issue with the current Citrix VD' solution on Nutanix. During the evaluation, the administrator finds out there is a feature that is enabled called Shadow Clones. What would happen if an administrator disabled Shadow Clones within a company's VDI environment?

Options

• ADeployment times would increase as the number deployed desktops increase,
• BDeployment times would decrease when deploying additional desktops.
• CBoot storms would be eliminated due to desktop resource contention.
• DBoot storms would be eliminated because the number of desktops would be throttled.

Explanation

Nutanix's Shadow Clones feature is used to create linked clones or snapshots of base VMs, which can improve VM provisioning time and storage efficiency by reducing the amount of duplicated data. If an administrator disables Shadow Clones within a company's VDI environment, it is likely that deployment times would increase as the number of deployed desktops increases. This is because linked clones or snapshots would no longer be used, so each new desktop deployment would require creating a full copy of the base VM. Nutanix Shadow Clones allow for distributed caching of a particular disk or VM data, which are in a `multi-reader' scenario. This can help in scenarios such as VDI or private clone boot storms, where VMs on multiple nodes read from the same set of base disks.

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