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Difficulty: MediumVirtual Machine Resource Requirements and Hardware Support

A technician is setting up a workstation to host multiple 64-bit guest virtual machines using a client-side hypervisor. When launching a guest operating system, the hypervisor reports an error indicating that hardware virtualization support and extended page table translation are disabled or unsupported. Which TWO of the following hardware features or BIOS/UEFI configurations must be enabled on the host system to resolve this issue?

  1. Intel VT-x or AMD-V CPU virtualization extensions in BIOS/UEFIAnswer
  2. Second Level Address Translation (SLAT) support on the host processorAnswer
  3. C
    Dynamic RAM ballooning drivers within the host OS Device Manager
  4. D
    Disabling hyper-threading / SMT on the system motherboard firmware

Answer

Intel VT-x or AMD-V CPU extensions enabled in BIOS/UEFI and Second Level Address Translation (SLAT) CPU support are the required host configurations.
Hosting 64-bit guest virtual machines requires CPU hardware-assisted virtualization (Intel VT-x or AMD-V) enabled in the motherboard BIOS/UEFI settings, along with CPU support for Second Level Address Translation (SLAT) to handle virtual memory mapping directly in hardware.

Step-by-Step Solution

1
Determine the CPU virtualization requirement for running 64-bit guest VMs.
Intel VT-x or AMD-V must be enabled in BIOS/UEFI firmware to allow the host processor to perform hardware-assisted virtualization.
Without hardware virtualization extensions enabled, client hypervisors cannot manage 64-bit guest OS execution.
2
Identify the memory virtualization feature needed for hypervisor address mapping.
Second Level Address Translation (SLAT) maps guest virtual memory directly to host physical RAM in CPU hardware.
SLAT significantly reduces memory translation overhead and is required by modern client hypervisors.

Key Concept

Virtual Machine Hardware Requirements and BIOS/UEFI Virtualization Settings
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Topics

Virtual Machine Resource Requirements and Hardware Support

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