220-1201 Practice Question: A technician is configuring a new PC for a user…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  High clock speed

  Why it's wrong here

  While a high clock speed can improve the performance of individual tasks within a virtual machine, it is not the most critical factor for a host machine running multiple virtual machines simultaneously. Virtualization benefits significantly more from the ability to distribute workloads across many processing units rather than relying on the raw speed of a single core. Each VM, or even processes within a VM, can utilize separate cores or threads, making parallel processing capabilities paramount.

• ✗

  Large L3 cache

  Why it's wrong here

  A large L3 cache certainly improves data access speeds for the CPU, which can benefit any application, including virtual machines. However, for a host running multiple VMs, the primary bottleneck is often the availability of processing units (cores/threads) to handle the simultaneous demands of each virtualized operating system. While beneficial, a large cache is secondary to ensuring sufficient parallel processing capability to prevent CPU contention among the virtual machines.

• ✓

  High core and thread count

  Why this is correct

  A high core and thread count is paramount for a PC configured as a virtualization host because it allows the hypervisor to allocate dedicated or shared processing resources to multiple virtual machines concurrently. Each virtual machine typically requires at least one virtual CPU (vCPU), which maps to a physical core or thread. Sufficient cores and threads ensure that all VMs can execute their processes simultaneously without significant performance degradation or resource contention, providing smooth operation for each virtualized environment.

• ✗

  Integrated graphics

  Why it's wrong here

  Integrated graphics are generally unnecessary and often undesirable for a dedicated virtualization host. The primary function of the host machine is to manage and allocate resources to virtual machines, not to render complex graphical interfaces for itself. VMs typically rely on virtualized graphics adapters, and a dedicated GPU is only required if specific VMs need passthrough access for intensive graphical workloads, otherwise, a basic display output or headless operation is sufficient for the host.

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