CV0-002 · Question #84
When a customer requests a VM to perform at higher levels the administrator should (Select two):
The correct answer is A. increase the VMs vRAM. D. increase the VMs vCPU count. To improve a virtual machine's performance, an administrator should increase its allocated virtual memory (vRAM) and virtual CPU (vCPU) count.
Question
When a customer requests a VM to perform at higher levels the administrator should (Select two):
Options
- Aincrease the VMs vRAM.
- Bincrease RAM on the host.
- Cmigrate the VM to a faster online host.
- Dincrease the VMs vCPU count.
- Eincrease disk space.
How the community answered
(32 responses)- A78% (25)
- B13% (4)
- C3% (1)
- E6% (2)
Why each option
To improve a virtual machine's performance, an administrator should increase its allocated virtual memory (vRAM) and virtual CPU (vCPU) count.
Increasing the VM's vRAM provides more memory for applications, reducing the need for disk swapping and allowing for better caching, which directly boosts performance.
Increasing RAM on the host benefits all VMs on that host, but is not a targeted action for a specific VM's performance unless the host itself is memory-constrained.
Migrating the VM to a faster online host is an option if the current host is bottlenecked, but directly increasing the VM's own resources is the primary method for performance improvement.
Increasing the VM's vCPU count provides more virtual processing power, enabling the VM to handle more intensive workloads or concurrent tasks more efficiently.
Increasing disk space provides more storage capacity but does not inherently improve performance unless the VM was critically low on disk space.
Concept tested: Virtual machine resource allocation and scaling
Source: https://learn.microsoft.com/en-us/windows-server/virtualization/hyper-v/manage/tune-hyper-v-performance
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