McAfee-Secured Website

Exam Code: NCP-AII

Exam Name: NCP-AI Infrastructure

Certification Provider: NVIDIA

Questions & Answers

100% NVIDIA NCP-AII Guaranteed Success With Testking Training Materials

Get Real NCP-AII Exam Questions & Expert Verified Answers as Experienced on the Real Exam!

Questions & Answers

170 Questions & Answers with Testing Engine

"NCP-AI Infrastructure Exam", also known as NCP-AII exam, is a NVIDIA certification exam.

Pass your tests with the always up-to-date NCP-AII Exam Engine. Your NCP-AII training materials keep you at the head of the pack!

Satisfaction Guaranteed

Money Back Guarantee

Testking provides hassle-free money back guarantee with our products. That is because we have 100% trust in the abilities of our professional and experience product team, and our record is a proof of that.

99.6% PASS RATE
Was: $137.49
Now: $124.99

NVIDIA NCP-AII Practice Test 44

Question 430

An infrastructure administrator receives the following incident: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. Which measured result most directly proves that this specific problem is resolved?

  1. All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.
  2. A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.
  3. The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test.
  4. The representative NeMo job initializes its approved artifacts, trains, and checkpoints under the intended scheduler service identity.

Explanation

Correct Answer

C:

This is the measurable acceptance result for the described case: The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test. It validates the corrective operation (Read module identification and firmware fields at the supported endpoint and check their compatibility with the deployed network release.) rather than a related but different system check.

Incorrect Answers

A:

This observation would help verify a different incident: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. It does not directly establish the required result for the current case: The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test.

B:

This observation would help verify a different incident: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. It does not directly establish the required result for the current case: The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test.

D:

This observation would help verify a different incident: An LLM platform signs off infrastructure after HPL and NCCL pass, but the real NeMo run fails because the configured container cannot access the required tokenizer and approved model artifacts. It does not directly establish the required result for the current case: The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test.

Question 431

An infrastructure administrator receives the following incident: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. Which root cause or infrastructure principle best explains the observed failure?

  1. Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.
  2. A successful management command may not establish persistent activation of programmable transceiver firmware.
  3. Synthetic hardware and collective success cannot substitute for end-to-end framework, artifact, and identity integration.
  4. Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.

Explanation

Correct Answer

D:

This technical mechanism explains the reported condition: Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases. The observed situation is: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. A requirement-aligned correction is: Read module identification and firmware fields at the supported endpoint and check their compatibility with the deployed network release.

Incorrect Answers

A:

This underlying cause is associated with another GPU platform incident: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. The observed case instead concerns: Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.

B:

This underlying cause is associated with another GPU platform incident: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. The observed case instead concerns: Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.

C:

This underlying cause is associated with another GPU platform incident: An LLM platform signs off infrastructure after HPL and NCCL pass, but the real NeMo run fails because the configured container cannot access the required tokenizer and approved model artifacts. The observed case instead concerns: Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.

Question 432

An infrastructure administrator receives the following incident: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. Which repeatable operational safeguard best prevents recurrence of this failure?

  1. Use per-port version readback and reboot persistence tests in transceiver firmware change control.
  2. Store transceiver module revision and part approval evidence with the physical fabric bill of materials.
  3. Inventory optical module firmware alongside serial, optics, and port health during acceptance.
  4. Validate end-to-end cable endpoint identities and intended rail separation before the first collective burn-in.

Explanation

Correct Answer

C:

This preventive practice addresses the underlying failure (Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.) and supports continued assurance through: The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test.

Incorrect Answers

A:

This prevention control targets another operational risk: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. The currently reported mechanism remains: Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.

B:

This prevention control targets another operational risk: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. The currently reported mechanism remains: Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.

D:

This prevention control targets another operational risk: A technician lands two adjacent GPU host fibers on the wrong switch ports, and both links show up yet a multi-rail collective runs over one rail. The currently reported mechanism remains: Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.

Question 433

An NVIDIA accelerator platform readiness review identifies this issue: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. Which corrective deployment or operational action best addresses the stated problem?

  1. Compare actual cable module firmware and qualified part-number matrix against the target switch port requirements.
  2. Read module identification and firmware fields at the supported endpoint and check their compatibility with the deployed network release.
  3. Perform postrestart readback of active transceiver firmware versions and verify ports under sustained supported traffic.
  4. Perform physical continuity tracing and update a unique source-destination port map tied to chassis and switch asset identifiers.

Explanation

Correct Answer

A:

For the stated NVIDIA AI infrastructure condition (Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family.), this action addresses the concrete failure: Compare actual cable module firmware and qualified part-number matrix against the target switch port requirements. The underlying mechanism is: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates. Verification would require: A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.

Incorrect Answers

B:

This option could be appropriate for a different NVIDIA infrastructure problem (4.8: Confirm transceiver firmware): A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. The present issue is more specifically caused by: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

C:

This option could be appropriate for a different NVIDIA infrastructure problem (4.8: Confirm transceiver firmware): After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. The present issue is more specifically caused by: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

D:

This option could be appropriate for a different NVIDIA infrastructure problem (4.5: Confirm cabling is correct): A rack expansion replicates old patch labels, and engineers cannot tell which high-speed trunk belongs to each new GPU server during a fault. The present issue is more specifically caused by: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

Question 434

An NVIDIA accelerator platform readiness review identifies this issue: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. Which measured result most directly proves that this specific problem is resolved?

  1. A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.
  2. All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.
  3. The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test.
  4. An independent reviewer reconstructs both assessments and verifies that the previously failed nodes were actually retested.

Explanation

Correct Answer

A:

This is the measurable acceptance result for the described case: A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision. It validates the corrective operation (Compare actual cable module firmware and qualified part-number matrix against the target switch port requirements.) rather than a related but different system check.

Incorrect Answers

B:

This observation would help verify a different incident: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. It does not directly establish the required result for the current case: A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.

C:

This observation would help verify a different incident: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. It does not directly establish the required result for the current case: A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.

D:

This observation would help verify a different incident: After failed installation, an operator repeats ClusterKit and obtains a green summary but does not preserve the input host list or original failure artifacts. It does not directly establish the required result for the current case: A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.

Question 435

An NVIDIA accelerator platform readiness review identifies this issue: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. Which root cause or infrastructure principle best explains the observed failure?

  1. Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.
  2. Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.
  3. A successful management command may not establish persistent activation of programmable transceiver firmware.
  4. Framework-level end-to-end AI readiness includes persistence and recovery paths that isolated GPU stress does not test.

Explanation

Correct Answer

A:

This technical mechanism explains the reported condition: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates. The observed situation is: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. A requirement-aligned correction is: Compare actual cable module firmware and qualified part-number matrix against the target switch port requirements.

Incorrect Answers

B:

This underlying cause is associated with another GPU platform incident: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. The observed case instead concerns: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

C:

This underlying cause is associated with another GPU platform incident: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. The observed case instead concerns: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

D:

This underlying cause is associated with another GPU platform incident: A NeMo language-model smoke test passes, but a longer training run repeatedly fails after checkpoint intervals because model artifacts cannot be written to shared storage. The observed case instead concerns: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

Question 436

An NVIDIA accelerator platform readiness review identifies this issue: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. Which repeatable operational safeguard best prevents recurrence of this failure?

  1. Inventory optical module firmware alongside serial, optics, and port health during acceptance.
  2. Use per-port version readback and reboot persistence tests in transceiver firmware change control.
  3. Version HPL configuration, software environment, and topology together with each performance baseline.
  4. Store transceiver module revision and part approval evidence with the physical fabric bill of materials.

Explanation

Correct Answer

D:

This preventive practice addresses the underlying failure (Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.) and supports continued assurance through: A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.

Incorrect Answers

A:

This prevention control targets another operational risk: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. The currently reported mechanism remains: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

B:

This prevention control targets another operational risk: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. The currently reported mechanism remains: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

C:

This prevention control targets another operational risk: A team compares HPL scores before and after firmware maintenance but changes matrix size and job binding at the same time. The currently reported mechanism remains: Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.

Question 437

During a GPU datacenter maintenance window, an engineer discovers: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. Which corrective deployment or operational action best addresses the stated problem?

  1. Read module identification and firmware fields at the supported endpoint and check their compatibility with the deployed network release.
  2. Compare actual cable module firmware and qualified part-number matrix against the target switch port requirements.
  3. Collect time-synchronized HPL rank failures, BMC hardware logs, GPU ECC, and node thermal and power readings before replacement.
  4. Perform postrestart readback of active transceiver firmware versions and verify ports under sustained supported traffic.

Explanation

Correct Answer

D:

For the stated NVIDIA AI infrastructure condition (After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports.), this action addresses the concrete failure: Perform postrestart readback of active transceiver firmware versions and verify ports under sustained supported traffic. The underlying mechanism is: A successful management command may not establish persistent activation of programmable transceiver firmware. Verification would require: All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.

Incorrect Answers

A:

This option could be appropriate for a different NVIDIA infrastructure problem (4.8: Confirm transceiver firmware): A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. The present issue is more specifically caused by: A successful management command may not establish persistent activation of programmable transceiver firmware.

B:

This option could be appropriate for a different NVIDIA infrastructure problem (4.8: Confirm transceiver firmware): Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. The present issue is more specifically caused by: A successful management command may not establish persistent activation of programmable transceiver firmware.

C:

This option could be appropriate for a different NVIDIA infrastructure problem (4.12: Perform HPL burn-in): A long HPL run fails on the same host every morning, but the report contains no correlated BMC alerts or memory metrics to explain the pattern. The present issue is more specifically caused by: A successful management command may not establish persistent activation of programmable transceiver firmware.

Question 438

During a GPU datacenter maintenance window, an engineer discovers: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. Which measured result most directly proves that this specific problem is resolved?

  1. All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.
  2. The verified supported transceiver reports an approved firmware revision and passes a prolonged low-error fabric bandwidth test.
  3. A controlled swap to the qualified assembly yields stable expected negotiation and records the supported module revision.
  4. The host completes the full workload pipeline at the approved rate without unexpected NUMA stalls, memory pressure, or storage errors.

Explanation

Correct Answer

A:

This is the measurable acceptance result for the described case: All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold. It validates the corrective operation (Perform postrestart readback of active transceiver firmware versions and verify ports under sustained supported traffic.) rather than a related but different system check.

Incorrect Answers

B:

This observation would help verify a different incident: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. It does not directly establish the required result for the current case: All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.

C:

This observation would help verify a different incident: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. It does not directly establish the required result for the current case: All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.

D:

This observation would help verify a different incident: A burn-in harness reaches peak compute utilization but never measures CPU, system memory, or local scratch I/O, while real training jobs rely on all three. It does not directly establish the required result for the current case: All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.

Question 439

During a GPU datacenter maintenance window, an engineer discovers: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. Which root cause or infrastructure principle best explains the observed failure?

  1. Physical appearance and connector type cannot establish transceiver firmware interoperability at demanding line rates.
  2. Transceiver modules can include firmware or programmable components with compatibility requirements separate from switch OS releases.
  3. A successful management command may not establish persistent activation of programmable transceiver firmware.
  4. Peak floating-point performance does not establish stable service over extended accelerator stress periods.

Explanation

Correct Answer

C:

This technical mechanism explains the reported condition: A successful management command may not establish persistent activation of programmable transceiver firmware. The observed situation is: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. A requirement-aligned correction is: Perform postrestart readback of active transceiver firmware versions and verify ports under sustained supported traffic.

Incorrect Answers

A:

This underlying cause is associated with another GPU platform incident: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. The observed case instead concerns: A successful management command may not establish persistent activation of programmable transceiver firmware.

B:

This underlying cause is associated with another GPU platform incident: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. The observed case instead concerns: A successful management command may not establish persistent activation of programmable transceiver firmware.

D:

This underlying cause is associated with another GPU platform incident: A data center validates HPL only for a single peak-score run, although the customer requires continuous model training over long maintenance intervals. The observed case instead concerns: A successful management command may not establish persistent activation of programmable transceiver firmware.

Question 440

During a GPU datacenter maintenance window, an engineer discovers: After a fleet optical firmware update, engineers believe success because the upgrade command returned zero, but a reboot restores the earlier module version on some ports. Which repeatable operational safeguard best prevents recurrence of this failure?

  1. Inventory optical module firmware alongside serial, optics, and port health during acceptance.
  2. Use per-port version readback and reboot persistence tests in transceiver firmware change control.
  3. Store transceiver module revision and part approval evidence with the physical fabric bill of materials.
  4. Perform software baseline and hardware health consistency checks before accepting redundant switch pairs.

Explanation

Correct Answer

B:

This preventive practice addresses the underlying failure (A successful management command may not establish persistent activation of programmable transceiver firmware.) and supports continued assurance through: All selected interfaces report the intended active revision after restart and traffic tests meet the clean-link threshold.

Incorrect Answers

A:

This prevention control targets another operational risk: A new optical module on an InfiniBand fabric reports an obsolete transceiver firmware level despite healthy local switch firmware, and error rates rise at peak bandwidth. The currently reported mechanism remains: A successful management command may not establish persistent activation of programmable transceiver firmware.

C:

This prevention control targets another operational risk: Several replacement active optical cables look identical, but one has a different embedded component revision and negotiates differently on the same switch family. The currently reported mechanism remains: A successful management command may not establish persistent activation of programmable transceiver firmware.

D:

This prevention control targets another operational risk: One leaf switch reboots repeatedly under load after maintenance, while its peer leaf remains stable and has a different firmware revision. The currently reported mechanism remains: A successful management command may not establish persistent activation of programmable transceiver firmware.

NCP-AI Infrastructure (NCP-AII) Practice Tests