SK0-004 · Question #832
Which of the following factors are MOST important when selecting a server for a virtualization host? (Choose two.)
The correct answer is A. CPUs and cores B. Memory. When selecting a server as a virtualization host, CPU cores and memory are the most critical resources because multiple virtual machines share these physical resources. Insufficient CPU or RAM directly limits how many VMs can run and how well they perform.
Question
Which of the following factors are MOST important when selecting a server for a virtualization host? (Choose two.)
Options
- ACPUs and cores
- BMemory
- CLocal disk space
- DGraphics card
- ERemote access cards
How the community answered
(41 responses)- A88% (36)
- C2% (1)
- D7% (3)
- E2% (1)
Why each option
When selecting a server as a virtualization host, CPU cores and memory are the most critical resources because multiple virtual machines share these physical resources. Insufficient CPU or RAM directly limits how many VMs can run and how well they perform.
CPUs and cores determine how many virtual machines can run concurrently and how much processing power is available to share among VMs - each VM requires dedicated vCPU allocations. Memory is equally critical because each VM requires its own RAM allocation, and the hypervisor itself consumes overhead; running out of RAM causes paging or prevents VM startup entirely.
Local disk space is less critical for virtualization hosts because VM storage is typically offloaded to SANs or NAS devices rather than local drives.
Graphics cards are not a primary concern for server virtualization hosts running workloads, as VMs are typically headless and GPU resources are rarely shared.
Remote access cards (like iDRAC or iLO) are useful for management but are not a primary performance factor when sizing a virtualization host.
Concept tested: Virtualization host resource requirements - CPU and RAM
Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-resource-management/GUID-98BD5A8A-260A-494F-BAAE-74781F5C4B02.html
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