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NVIDIA NCP-AII

NCP-AI Infrastructure

Verified practice questions with detailed answers, clear explanations, and community discussion.

  • 170

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  • 7 days ago

    last updated

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Question 1 of 170

A system engineer needs to set the vGPU scheduling behavior for all GPUs to share the scheduling equally with the default time slice length.
What command should be used?
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Correct answer: A

The RmPVMRL registry setting controls NVIDIA vGPU scheduler behavior on the ESXi host. Setting it to 0x00 selects the equal-share scheduling policy with the default time-slice duration, allowing vGPUs to receive balanced access to GPU resources. The command must set this NVIDIA module parameter through esxcli system module parameters. The other options use an invalid value or syntax, the wrong command namespace, or an unrelated registry setting.

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Question 2 of 170

During a multi-day NeMo burn-in, intermittent “GPU fell off bus” errors occur.
Which diagnostic approach isolates hardware faults?
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Correct answer: A

Running DCGM diagnostics alongside the burn-in monitors GPU health, PCIe connectivity, temperatures, power, memory errors, and other hardware indicators while the failure occurs. These metrics help correlate a “GPU fell off bus” event with a specific device or hardware condition, isolating faults in the GPU, interconnect, or host system. Changing models, memory-sharing settings, or workload block size may alter workload behavior but does not diagnose the underlying hardware failure.

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Question 3 of 170

An engineer needs to verify the current firmware versions of all components (ATF, BSP, NIC, UEFI) on a BlueField-3 DPU’s BMC.
Which Redfish API command provides this information?
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Correct answer: C

The Redfish FirmwareInventory endpoint returns the installed firmware versions for BMC-managed components, including ATF, BSP, NIC, and UEFI on the BlueField-3 DPU. Querying /redfish/v1/UpdateService/FirmwareInventory provides a standardized inventory of firmware images and their current versions. The FirmwareList endpoint is not the Redfish resource used for this component inventory, while mstflint and mlxconfig are local Mellanox utilities rather than BMC Redfish API commands.

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1 vote

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Question 4 of 170

An engineer needs to verify NVLink isolation on a single node with 8 GPUs.
Which NCCL test configuration stresses switch bisection bandwidth?
Answer choices
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Correct answer: B

Using all_reduce_perf with eight GPUs and NCCL_TESTS_SPLIT="AND 0x1" partitions the GPUs into groups based on the split mask, forcing traffic patterns that cross the NVLink switch fabric. This creates contention across the switch bisection and exposes isolation or bandwidth problems between GPU groups. An unsplit all-reduce exercises aggregate connectivity but does not specifically isolate bisection traffic, while point-to-point and four-GPU tests do not stress the full eight-GPU switch topology in the same way.

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Question 5 of 170

You are validating the environment of an NVIDIA GPU-accelerated data center during post-deployment checks.
Which one action is essential to confirm that power and cooling are sufficient for the stable operation of NVIDIA DGX H100 systems?
Answer choices
Show answer

Correct answer: C

Verifying redundant, properly rated PDUs and nominal input from every power supply confirms that each DGX H100 receives stable, sufficient electrical power. DGX systems have high and variable power demands, so redundancy and correct PDU capacity protect against overloads and single power-path failures. Power-supply telemetry also identifies input faults that could affect system stability. Running fans continuously at full speed or enabling GPU overclocking does not validate facility power capacity or cooling design.

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Charles Sirois
Canada
As this was my first certification exam, I was understandably nervous about what to expect. These study materials made the preparation process much easier, and many of the questions closely reflected those on the actual exam.
Lance Chambers
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Wasted about a month going through the free dump sites scattered all over reddit, half the answers were wrong and the other half were for a version of the exam that doesn't even exist anymore. Eventually gave in and paid the small fee here, and the difference was night and day.
Alisha Kelly
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Honestly, I had already gone through the official documentation quite thoroughly, but still didn't feel fully confident going in. This helped things finally click for me. I realized I knew the material, but just hadn't connected all the pieces yet.
Casper Claassen
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Used this along with Microsoft Learn and the combo worked really well. The practice questions made the stuff I'd read actually stick. Passed first attempt, no complaints from me.
Gabriele Ghesla
Italy
The content is accurate and clearly presented, and it's more affordable than competitors. The team has been incredibly responsive whenever I've had an issue, and they've been open to small changes that improve the platform.
Charles Sirois
Canada
As this was my first certification exam, I was understandably nervous about what to expect. These study materials made the preparation process much easier, and many of the questions closely reflected those on the actual exam.
Lance Chambers
United States
Wasted about a month going through the free dump sites scattered all over reddit, half the answers were wrong and the other half were for a version of the exam that doesn't even exist anymore. Eventually gave in and paid the small fee here, and the difference was night and day.
Alisha Kelly
Italy
Honestly, I had already gone through the official documentation quite thoroughly, but still didn't feel fully confident going in. This helped things finally click for me. I realized I knew the material, but just hadn't connected all the pieces yet.
Casper Claassen
Netherlands
Used this along with Microsoft Learn and the combo worked really well. The practice questions made the stuff I'd read actually stick. Passed first attempt, no complaints from me.
Gabriele Ghesla
Italy
The content is accurate and clearly presented, and it's more affordable than competitors. The team has been incredibly responsive whenever I've had an issue, and they've been open to small changes that improve the platform.
Morgan Farmer
United Kingdom
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
Remi Nuyts
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Archie Hopkins
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I had a smooth experience from start to finish. Access was available right away, no technical issues, which made it easy to get started. The content felt relevant and aligned well with what I was looking for.
Nancy Mcbride
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Does what it says it does. Content felt solid, nothing confusing to navigate and I didn't run into any weird issues. I been putting off scheduling the exam for a while and going through this gave me enough confidence to finally book it and pass.
Neil Savage
United States
A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.
Morgan Farmer
United Kingdom
I don't usually leave reviews, but this one felt worth sharing. The questions were quite close to what actually appeared on the exam, more than I expected. I spent about a week going through the material before my test, and it helped me feel more prepared.
Remi Nuyts
United States
Passed ITIL 4 Foundation with 87%. Material was enough by itself.
Archie Hopkins
United States
I had a smooth experience from start to finish. Access was available right away, no technical issues, which made it easy to get started. The content felt relevant and aligned well with what I was looking for.
Nancy Mcbride
United States
Does what it says it does. Content felt solid, nothing confusing to navigate and I didn't run into any weird issues. I been putting off scheduling the exam for a while and going through this gave me enough confidence to finally book it and pass.
Neil Savage
United States
A very quick response was received via email when a link issue occurred. The study materials provided were high quality and extremely helpful. I was able to complete the test successfully. Many thanks for the excellent support.

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