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AZ-802 · Virtual machines · Virtual machines | Manage Hyper-V and guest VM

Practice question 116 of 506 · hard

A VM with several assigned GPUs fails to use all device memory. SurveyDDA reports MMIO requirements above the VM's current allocation. Which change addresses the evidence?

Choose the single best answer.

  1. A.Allocate only the first GPU's MMIO requirement despite assigning several devices
  2. B.Enable Dynamic Memory instead of setting the required MMIO gap
  3. C.Increase the VM's MMIO allocation to cover the assigned devices and overhead
  4. D.Increase only ordinary guest RAM and leave MMIO unchanged
Show the answer and explanation

✓ Correct answer

  • Increase the VM's MMIO allocation to cover the assigned devices and overhead

The combined assigned devices need sufficient mapped-I/O address space plus overhead. Ordinary RAM alone does not change that mapping gap. Dynamic Memory is unsupported with DDA, and counting only one device can still leave the combined requirement unsatisfied.

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