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NCP-AII Questions & Answers
Exam Code: NCP-AII
Exam Name: NCP-AI Infrastructure
Certification Provider: NVIDIA
NCP-AII Premium File
170 Questions & Answers
Last Update: Nov 6, 2026
Includes questions types found on actual exam such as drag and drop, simulation, type in, and fill in the blank.
Verified by experts
NCP-AII Questions & Answers
Exam Code: NCP-AII
Exam Name: NCP-AI Infrastructure
Certification Provider: NVIDIA
NCP-AII Premium File
170 Questions & Answers
Last Update: Nov 6, 2026
Includes questions types found on actual exam such as drag and drop, simulation, type in, and fill in the blank.
$87.99
$79.99

NCP-AI Infrastructure NCP-AII Practice Test 23

Question 220

At a GPU cluster site, an engineer configures DPU operating mode using host settings copied from a deployment with the opposite trust model. Which remediation best targets the underlying cause?

  1. use the supported out-of-band DPU recovery mechanism
  2. stage and verify a supported signed BFB image for that DPU model
  3. set the supported DPU mode according to the approved architecture and vendor procedure
  4. verify embedded DPU OS boot and its supported management route independently

Explanation

Correct Answer

C:

Correct. This is the corrective step for BlueField mode and host ownership assumptions are incompatible with intended offload; it addresses the failure at its source. The confirming observation is host and embedded Arm control-plane behaviors match the chosen separation model.

Incorrect Answers

A:

“use the supported out-of-band DPU recovery mechanism” addresses embedded DPU lifecycle is independent of the host reboot action, but the current hardware or infrastructure issue is blueField mode and host ownership assumptions are incompatible with intended offload. The option “set the supported DPU mode according to the approved architecture and vendor procedure” is more directly tied to the required outcome.

B:

“stage and verify a supported signed BFB image for that DPU model” addresses dPU operating-system image compatibility and provenance were not validated, but the current hardware or infrastructure issue is blueField mode and host ownership assumptions are incompatible with intended offload. The option “set the supported DPU mode according to the approved architecture and vendor procedure” is more directly tied to the required outcome.

D:

Useful for host PCIe enumeration was treated as proof of DPU control-plane readiness, but it does not remove the specific condition: BlueField mode and host ownership assumptions are incompatible with intended offload.

Question 221

For a controlled change involving 'set the supported DPU mode according to the approved architecture and vendor procedure', which acceptance evidence would best establish the intended outcome?

  1. host and embedded Arm control-plane behaviors match the chosen separation model
  2. reported software and device firmware versions match the qualified stack
  3. firmware install and first boot complete with the approved DPU OS identity
  4. DPU management recovers and the host sees restored network functions

Explanation

Correct Answer

A:

Correct. This is observable proof for the intended change, not just evidence that a command was issued. It establishes host and embedded Arm control-plane behaviors match the chosen separation model, addressing BlueField mode and host ownership assumptions are incompatible with intended offload.

Incorrect Answers

B:

“reported software and device firmware versions match the qualified stack” addresses dPU firmware and DOCA version compatibility was not established, but the current hardware or infrastructure issue is blueField mode and host ownership assumptions are incompatible with intended offload. The option “host and embedded Arm control-plane behaviors match the chosen separation model” is more directly tied to the required outcome.

C:

“firmware install and first boot complete with the approved DPU OS identity” addresses dPU operating-system image compatibility and provenance were not validated, but the current hardware or infrastructure issue is blueField mode and host ownership assumptions are incompatible with intended offload. The option “host and embedded Arm control-plane behaviors match the chosen separation model” is more directly tied to the required outcome.

D:

“DPU management recovers and the host sees restored network functions” addresses embedded DPU lifecycle is independent of the host reboot action, but the current hardware or infrastructure issue is blueField mode and host ownership assumptions are incompatible with intended offload. The option “host and embedded Arm control-plane behaviors match the chosen separation model” is more directly tied to the required outcome.

Question 222

During a readiness assessment, a BlueField DPU remains in an unapproved factory firmware state when a new DOCA workload is deployed. Which correction should be prioritized?

  1. restrict DPU management accounts and reachability independently from workload users
  2. verify embedded DPU OS boot and its supported management route independently
  3. validate BlueField firmware DPU OS and DOCA compatibility before loading services
  4. compare DPU steering and packet counters with workload CPU and flow tests

Explanation

Correct Answer

C:

Correct. The incident follows from DPU firmware and DOCA version compatibility was not established. This action changes the failing dependency, with reported software and device firmware versions match the qualified stack as a measurable success criterion.

Incorrect Answers

A:

“restrict DPU management accounts and reachability independently from workload users” addresses dPU administrative trust boundary was not configured for a production cluster, but the current hardware or infrastructure issue is dPU firmware and DOCA version compatibility was not established. The option “validate BlueField firmware DPU OS and DOCA compatibility before loading services” is more directly tied to the required outcome.

B:

Useful for host PCIe enumeration was treated as proof of DPU control-plane readiness, but it does not remove the specific condition: DPU firmware and DOCA version compatibility was not established.

D:

“compare DPU steering and packet counters with workload CPU and flow tests” addresses software configuration presence was mistaken for actual offload operation, but the current hardware or infrastructure issue is dPU firmware and DOCA version compatibility was not established. The option “validate BlueField firmware DPU OS and DOCA compatibility before loading services” is more directly tied to the required outcome.

Question 223

A team implements the correction 'validate BlueField firmware DPU OS and DOCA compatibility before loading services' for a GPU cluster problem. Which observed result MOST convincingly proves it worked?

  1. reported software and device firmware versions match the qualified stack
  2. host and embedded Arm control-plane behaviors match the chosen separation model
  3. DPU management recovers and the host sees restored network functions
  4. unauthorized host processes cannot reach DPU admin endpoints and logged authorized access succeeds

Explanation

Correct Answer

A:

Correct. The test directly checks whether DPU firmware and DOCA version compatibility was not established has been remediated. That result supports operational acceptance rather than only configuration presence.

Incorrect Answers

B:

“host and embedded Arm control-plane behaviors match the chosen separation model” addresses blueField mode and host ownership assumptions are incompatible with intended offload, but the current hardware or infrastructure issue is dPU firmware and DOCA version compatibility was not established. The option “reported software and device firmware versions match the qualified stack” is more directly tied to the required outcome.

C:

“DPU management recovers and the host sees restored network functions” addresses embedded DPU lifecycle is independent of the host reboot action, but the current hardware or infrastructure issue is dPU firmware and DOCA version compatibility was not established. The option “reported software and device firmware versions match the qualified stack” is more directly tied to the required outcome.

D:

“unauthorized host processes cannot reach DPU admin endpoints and logged authorized access succeeds” addresses dPU administrative trust boundary was not configured for a production cluster, but the current hardware or infrastructure issue is dPU firmware and DOCA version compatibility was not established. The option “reported software and device firmware versions match the qualified stack” is more directly tied to the required outcome.

Question 224

During an AI-factory acceptance review, the following condition is observed: a datacenter technician attempts to reset an unstable DPU by rebooting only the host OS but its embedded system remains hung. What should the infrastructure engineer do FIRST?

  1. use the supported out-of-band DPU recovery mechanism
  2. set the supported DPU mode according to the approved architecture and vendor procedure
  3. verify embedded DPU OS boot and its supported management route independently
  4. restrict DPU management accounts and reachability independently from workload users

Explanation

Correct Answer

A:

Correct. The incident follows from embedded DPU lifecycle is independent of the host reboot action. This action changes the failing dependency, with DPU management recovers and the host sees restored network functions as a measurable success criterion.

Incorrect Answers

B:

“set the supported DPU mode according to the approved architecture and vendor procedure” addresses blueField mode and host ownership assumptions are incompatible with intended offload, but the current hardware or infrastructure issue is embedded DPU lifecycle is independent of the host reboot action. The option “use the supported out-of-band DPU recovery mechanism” is more directly tied to the required outcome.

C:

“verify embedded DPU OS boot and its supported management route independently” addresses host PCIe enumeration was treated as proof of DPU control-plane readiness, but the current hardware or infrastructure issue is embedded DPU lifecycle is independent of the host reboot action. The option “use the supported out-of-band DPU recovery mechanism” is more directly tied to the required outcome.

D:

Useful for DPU administrative trust boundary was not configured for a production cluster, but it does not remove the specific condition: embedded DPU lifecycle is independent of the host reboot action.

Question 225

After applying 'use the supported out-of-band DPU recovery mechanism' in an NVIDIA AI factory, what would be the MOST relevant operational verification?

  1. authenticated DPU management session returns platform health and operating version
  2. firmware install and first boot complete with the approved DPU OS identity
  3. DPU management recovers and the host sees restored network functions
  4. reported software and device firmware versions match the qualified stack

Explanation

Correct Answer

C:

Correct. The test directly checks whether embedded DPU lifecycle is independent of the host reboot action has been remediated. That result supports operational acceptance rather than only configuration presence.

Incorrect Answers

A:

“authenticated DPU management session returns platform health and operating version” addresses host PCIe enumeration was treated as proof of DPU control-plane readiness, but the current hardware or infrastructure issue is embedded DPU lifecycle is independent of the host reboot action. The option “DPU management recovers and the host sees restored network functions” is more directly tied to the required outcome.

B:

“firmware install and first boot complete with the approved DPU OS identity” addresses dPU operating-system image compatibility and provenance were not validated, but the current hardware or infrastructure issue is embedded DPU lifecycle is independent of the host reboot action. The option “DPU management recovers and the host sees restored network functions” is more directly tied to the required outcome.

D:

“reported software and device firmware versions match the qualified stack” addresses dPU firmware and DOCA version compatibility was not established, but the current hardware or infrastructure issue is embedded DPU lifecycle is independent of the host reboot action. The option “DPU management recovers and the host sees restored network functions” is more directly tied to the required outcome.

Question 226

At a GPU cluster site, a DPU service is deployed with unrestricted access to traffic that should remain in another tenant's segment. Which remediation best targets the underlying cause?

  1. set the supported DPU mode according to the approved architecture and vendor procedure
  2. reconcile physical port labels representors and configured network functions
  3. verify embedded DPU OS boot and its supported management route independently
  4. apply and test supported BlueField policy enforcement and port separation

Explanation

Correct Answer

D:

Correct. The underlying problem is accelerator offload network rules violate tenant isolation requirements. This intervention targets that mechanism. Confirm completion through cross-tenant probe traffic is blocked while permitted offloaded flows succeed.

Incorrect Answers

A:

“set the supported DPU mode according to the approved architecture and vendor procedure” addresses blueField mode and host ownership assumptions are incompatible with intended offload, but the current hardware or infrastructure issue is accelerator offload network rules violate tenant isolation requirements. The option “apply and test supported BlueField policy enforcement and port separation” is more directly tied to the required outcome.

B:

Useful for DPU physical port topology and host-facing interface mapping are inconsistent, but it does not remove the specific condition: accelerator offload network rules violate tenant isolation requirements.

C:

“verify embedded DPU OS boot and its supported management route independently” addresses host PCIe enumeration was treated as proof of DPU control-plane readiness, but the current hardware or infrastructure issue is accelerator offload network rules violate tenant isolation requirements. The option “apply and test supported BlueField policy enforcement and port separation” is more directly tied to the required outcome.

Question 227

For a controlled change involving 'apply and test supported BlueField policy enforcement and port separation', which acceptance evidence would best establish the intended outcome?

  1. cross-tenant probe traffic is blocked while permitted offloaded flows succeed
  2. tested traffic increments the expected hardware counters with approved offload behavior
  3. expected host traffic exits the correct fabric port under packet capture
  4. host and embedded Arm control-plane behaviors match the chosen separation model

Explanation

Correct Answer

A:

Correct. The test directly checks whether accelerator offload network rules violate tenant isolation requirements has been remediated. That result supports operational acceptance rather than only configuration presence.

Incorrect Answers

B:

“tested traffic increments the expected hardware counters with approved offload behavior” addresses software configuration presence was mistaken for actual offload operation, but the current hardware or infrastructure issue is accelerator offload network rules violate tenant isolation requirements. The option “cross-tenant probe traffic is blocked while permitted offloaded flows succeed” is more directly tied to the required outcome.

C:

“expected host traffic exits the correct fabric port under packet capture” addresses dPU physical port topology and host-facing interface mapping are inconsistent, but the current hardware or infrastructure issue is accelerator offload network rules violate tenant isolation requirements. The option “cross-tenant probe traffic is blocked while permitted offloaded flows succeed” is more directly tied to the required outcome.

D:

“host and embedded Arm control-plane behaviors match the chosen separation model” addresses blueField mode and host ownership assumptions are incompatible with intended offload, but the current hardware or infrastructure issue is accelerator offload network rules violate tenant isolation requirements. The option “cross-tenant probe traffic is blocked while permitted offloaded flows succeed” is more directly tied to the required outcome.

Question 228

During a readiness assessment, a cable move changes the external BlueField port mapping but the host still sends workload data through the old port assignment. Which correction should be prioritized?

  1. apply and test supported BlueField policy enforcement and port separation
  2. validate BlueField firmware DPU OS and DOCA compatibility before loading services
  3. stage and verify a supported signed BFB image for that DPU model
  4. reconcile physical port labels representors and configured network functions

Explanation

Correct Answer

D:

Correct. This directly resolves DPU physical port topology and host-facing interface mapping are inconsistent. A valid handover should also demonstrate expected host traffic exits the correct fabric port under packet capture.

Incorrect Answers

A:

“apply and test supported BlueField policy enforcement and port separation” addresses accelerator offload network rules violate tenant isolation requirements, but the current hardware or infrastructure issue is dPU physical port topology and host-facing interface mapping are inconsistent. The option “reconcile physical port labels representors and configured network functions” is more directly tied to the required outcome.

B:

“validate BlueField firmware DPU OS and DOCA compatibility before loading services” addresses dPU firmware and DOCA version compatibility was not established, but the current hardware or infrastructure issue is dPU physical port topology and host-facing interface mapping are inconsistent. The option “reconcile physical port labels representors and configured network functions” is more directly tied to the required outcome.

C:

“stage and verify a supported signed BFB image for that DPU model” addresses dPU operating-system image compatibility and provenance were not validated, but the current hardware or infrastructure issue is dPU physical port topology and host-facing interface mapping are inconsistent. The option “reconcile physical port labels representors and configured network functions” is more directly tied to the required outcome.

Question 229

A team implements the correction 'reconcile physical port labels representors and configured network functions' for a GPU cluster problem. Which observed result MOST convincingly proves it worked?

  1. tested traffic increments the expected hardware counters with approved offload behavior
  2. reported software and device firmware versions match the qualified stack
  3. firmware install and first boot complete with the approved DPU OS identity
  4. expected host traffic exits the correct fabric port under packet capture

Explanation

Correct Answer

D:

Correct. This result validates the change in service conditions and is the closest evidence that DPU physical port topology and host-facing interface mapping are inconsistent is no longer causing the issue.

Incorrect Answers

A:

“tested traffic increments the expected hardware counters with approved offload behavior” addresses software configuration presence was mistaken for actual offload operation, but the current hardware or infrastructure issue is dPU physical port topology and host-facing interface mapping are inconsistent. The option “expected host traffic exits the correct fabric port under packet capture” is more directly tied to the required outcome.

B:

“reported software and device firmware versions match the qualified stack” addresses dPU firmware and DOCA version compatibility was not established, but the current hardware or infrastructure issue is dPU physical port topology and host-facing interface mapping are inconsistent. The option “expected host traffic exits the correct fabric port under packet capture” is more directly tied to the required outcome.

C:

“firmware install and first boot complete with the approved DPU OS identity” addresses dPU operating-system image compatibility and provenance were not validated, but the current hardware or infrastructure issue is dPU physical port topology and host-facing interface mapping are inconsistent. The option “expected host traffic exits the correct fabric port under packet capture” is more directly tied to the required outcome.

Question 230

During an AI-factory acceptance review, the following condition is observed: an engineer flashes a BFB image to BlueField without verifying that it targets the installed hardware generation. What should the infrastructure engineer do FIRST?

  1. verify embedded DPU OS boot and its supported management route independently
  2. stage and verify a supported signed BFB image for that DPU model
  3. set the supported DPU mode according to the approved architecture and vendor procedure
  4. restrict DPU management accounts and reachability independently from workload users

Explanation

Correct Answer

B:

Correct. This directly resolves DPU operating-system image compatibility and provenance were not validated. A valid handover should also demonstrate firmware install and first boot complete with the approved DPU OS identity.

Incorrect Answers

A:

“verify embedded DPU OS boot and its supported management route independently” addresses host PCIe enumeration was treated as proof of DPU control-plane readiness, but the current hardware or infrastructure issue is dPU operating-system image compatibility and provenance were not validated. The option “stage and verify a supported signed BFB image for that DPU model” is more directly tied to the required outcome.

C:

“set the supported DPU mode according to the approved architecture and vendor procedure” addresses blueField mode and host ownership assumptions are incompatible with intended offload, but the current hardware or infrastructure issue is dPU operating-system image compatibility and provenance were not validated. The option “stage and verify a supported signed BFB image for that DPU model” is more directly tied to the required outcome.

D:

“restrict DPU management accounts and reachability independently from workload users” addresses dPU administrative trust boundary was not configured for a production cluster, but the current hardware or infrastructure issue is dPU operating-system image compatibility and provenance were not validated. The option “stage and verify a supported signed BFB image for that DPU model” is more directly tied to the required outcome.

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