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VMware Exam 2V0-51.23 Topic 3 Question 36 Discussion

Actual exam question for VMware's 2V0-51.23 exam
Question #: 36
Topic #: 3
[All 2V0-51.23 Questions]

An administrator has added a supported PCI graphics accelerator to a virtual machine configuration. When the administrator tries to power on the virtual machine, an error is displayed and the virtual machine remains powered off.

Which of the following virtual machine configuration settings needs to be applied to enable the virtual machine to power on?

Show Suggested Answer Hide Answer
Suggested Answer: B

To enable a virtual machine to power on with a PCI graphics accelerator, such as a GPU, attached to it, the administrator needs to reserve all guest memory for that virtual machine. This is because PCI devices require direct memory access (DMA) to function properly, and memory overcommitment can interfere with DMA operations.Reserving all guest memory ensures that no memory swapping or ballooning occurs on the virtual machine, and that the memory address space is contiguous and available for DMA56.

The other options are not required or valid because:

Enabling Video Card 3D Graphics is not necessary for using a PCI graphics accelerator.This option is for using software-accelerated graphics or virtual shared graphics acceleration (vSGA) on a virtual machine7.

Setting Memory Shares to High does not guarantee that all guest memory will be reserved. Memory shares only affect how memory resources are distributed among competing virtual machines when there is memory contention on the host. Memory shares do not prevent memory overcommitment or swapping.

Disabling CPU Hot Plug does not affect the use of a PCI graphics accelerator. CPU Hot Plug allows adding or removing virtual CPUs from a powered-on virtual machine. It has no relation to PCI devices or DMA operations.


by Bulah at May 05, 2025, 02:08 AM

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Malcom
59 minutes ago
Haha, I'm just going to pick 'Disable CPU Hot Plug' and see what happens. It's like a virtual game of 'Guess the Setting'!
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Julie
2 days ago
Nah, 'Disable CPU Hot Plug' is the way to go. Who needs multiple CPUs anyway? One is plenty for a VM!
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Luz
7 days ago
I disagree, I believe the correct answer is B) Reserve all guest memory.
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Lanie
1 months ago
Wait, what if it's 'Set Memory Shares to High'? That could boost the performance and help the VM start up.
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Nydia
8 days ago
B) Reserve all guest memory.
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Jenelle
16 days ago
A) Enable Video Card 3D Graphics.
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Matilda
1 months ago
I think the answer is A) Enable Video Card 3D Graphics.
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Edda
1 months ago
Hold on, I'm pretty sure it's 'Reserve all guest memory'. How else is the VM going to have enough resources to power on?
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Adolph
2 days ago
I agree with you, 'Reserve all guest memory' is the correct setting to enable the virtual machine to power on.
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Stephanie
4 days ago
No, I don't think that's it. 'Reserve all guest memory' makes more sense to me.
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Claribel
15 days ago
I think it's actually 'Enable Video Card 3D Graphics'. That's what the error message is pointing to.
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Myra
1 months ago
Hmm, I think it's definitely 'Enable Video Card 3D Graphics'. That's the obvious solution, right?
upvoted 0 times
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