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NVIDIA NCA-AIIO Bundle

Exam Code: NCA-AIIO

Exam Name NCA - AI Infrastructure and Operations

Certification Provider: NVIDIA

Corresponding Certification: NCA-AIIO

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NVIDIA NCA-AIIO Practice Test 56

Question 550

During a high-traffic model-service launch at an online commerce company, engineers report the following issue: Operators cannot see power supply alarms because they only query Linux system logs. The affected work supports product search, recommendations and fraud screening; peak request demand makes degraded predictions visible to customers. Choose TWO: one corrective approach and one result demonstrating it works. (Select TWO.)

  1. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation.
  2. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.
  3. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement.
  4. Several representative users submit jobs and the scheduler allocates only authorized GPU resources under the published priority and quota policy.
  5. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.

Explanation

Correct Answers

B:

Correct corrective action. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system. This fits the specific reported issue: Operators cannot see power supply alarms because they only query Linux system logs. The corresponding failure being reduced is: Relying only on the workload OS for management can prevent diagnosis or recovery when a node crashes or its production network fails.

E:

Correct independent evidence. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable. This verifies the corrective approach for the affected product search, recommendations and fraud screening instead of treating an architecture diagram alone as success.

Incorrect Answers

A:

Not the most direct the action-and-evidence pair for these facts. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation. This choice concerns cluster inventory firmware and configuration baseline and may be valid in another design. But this case reports 'Operators cannot see power supply alarms because they only query Linux system logs', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

C:

Not the most direct the action-and-evidence pair for these facts. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement. This choice concerns gpu reliability events and diagnostic triage and may be valid in another design. But this case reports 'Operators cannot see power supply alarms because they only query Linux system logs', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the action-and-evidence pair for these facts. Several representative users submit jobs and the scheduler allocates only authorized GPU resources under the published priority and quota policy. This choice concerns slurm batch queues fair-share and reservations and may be valid in another design. But this case reports 'Operators cannot see power supply alarms because they only query Linux system logs', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 551

During a regulated deployment assessment at a healthcare imaging provider, engineers report the following issue: An administrator discovers that BMC access is exposed to general tenant subnets. The affected work supports clinical imaging and model-assisted workflows; patient data constraints and reliable model performance are important. Which action most directly addresses the described requirement?

  1. Place tightly coupled distributed training processes with awareness of accelerator counts, network topology and collective communication demands, and validate gang-scheduling needs.
  2. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.
  3. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation.
  4. Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

Explanation

Correct Answer

B:

Correct. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system. This directly addresses the observed issue: An administrator discovers that BMC access is exposed to general tenant subnets. The important distinction is bmc and out-of-band server health administration, not a substitute feature from a different component. The follow-up validation is: An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.

Incorrect Answers

A:

Not the most direct the corrective action for these facts. Place tightly coupled distributed training processes with awareness of accelerator counts, network topology and collective communication demands, and validate gang-scheduling needs. This choice concerns distributed job placement and topology-aware orchestration and may be valid in another design. But this case reports 'An administrator discovers that BMC access is exposed to general tenant subnets', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

C:

Not the most direct the corrective action for these facts. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation. This choice concerns cluster inventory firmware and configuration baseline and may be valid in another design. But this case reports 'An administrator discovers that BMC access is exposed to general tenant subnets', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the corrective action for these facts. Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution. This choice concerns gpu utilization memory and power telemetry interpretation and may be valid in another design. But this case reports 'An administrator discovers that BMC access is exposed to general tenant subnets', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 552

During a regulated deployment assessment at a healthcare imaging provider, engineers report the following issue: An administrator discovers that BMC access is exposed to general tenant subnets. The affected work supports clinical imaging and model-assisted workflows; patient data constraints and reliable model performance are important. Which acceptance result is most relevant to this workload?

  1. A sampled node's actual firmware, GPU, driver and fabric settings match the approved inventory or show a tracked exception.
  2. A test pod requests a supported accelerator resource, schedules to an eligible node and performs a successful device computation.
  3. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.
  4. A multi-node training allocation starts with its required worker set and achieves expected synchronized-step performance without stranded partial jobs.

Explanation

Correct Answer

C:

Correct. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable. This is observable evidence for the issue 'An administrator discovers that BMC access is exposed to general tenant subnets' in clinical imaging and model-assisted workflows. It tests whether the chosen action works under the relevant operating conditions, rather than merely showing that software was installed or a server is powered on.

Incorrect Answers

A:

Not the most direct the acceptance evidence for these facts. A sampled node's actual firmware, GPU, driver and fabric settings match the approved inventory or show a tracked exception. This choice concerns cluster inventory firmware and configuration baseline and may be valid in another design. But this case reports 'An administrator discovers that BMC access is exposed to general tenant subnets', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

B:

Not the most direct the acceptance evidence for these facts. A test pod requests a supported accelerator resource, schedules to an eligible node and performs a successful device computation. This choice concerns Kubernetes gpu device scheduling and discovery and may be valid in another design. But this case reports 'An administrator discovers that BMC access is exposed to general tenant subnets', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the acceptance evidence for these facts. A multi-node training allocation starts with its required worker set and achieves expected synchronized-step performance without stranded partial jobs. This choice concerns distributed job placement and topology-aware orchestration and may be valid in another design. But this case reports 'An administrator discovers that BMC access is exposed to general tenant subnets', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 553

During an industrial computer-vision rollout at a manufacturing operator, engineers report the following issue: A server must be restarted remotely after a failed driver update. The affected work supports factory cameras and maintenance analytics; downtime and incorrect detections can interrupt production. What should the AI infrastructure engineer recommend first?

  1. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.
  2. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement.
  3. Compare supported vGPU or time-sliced sharing, passthrough and MIG-backed virtualization according to VM isolation, licensing, performance and hardware support requirements.
  4. Use NVIDIA Data Center GPU Manager to collect supported accelerator telemetry, health and diagnostic information across datacenter GPU nodes.

Explanation

Correct Answer

A:

Correct. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system. This directly addresses the observed issue: A server must be restarted remotely after a failed driver update. The important distinction is bmc and out-of-band server health administration, not a substitute feature from a different component. The follow-up validation is: An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.

Incorrect Answers

B:

Not the most direct the corrective action for these facts. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement. This choice concerns gpu reliability events and diagnostic triage and may be valid in another design. But this case reports 'A server must be restarted remotely after a failed driver update', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

C:

Not the most direct the corrective action for these facts. Compare supported vGPU or time-sliced sharing, passthrough and MIG-backed virtualization according to VM isolation, licensing, performance and hardware support requirements. This choice concerns virtual gpus and gpu sharing approaches and may be valid in another design. But this case reports 'A server must be restarted remotely after a failed driver update', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the corrective action for these facts. Use NVIDIA Data Center GPU Manager to collect supported accelerator telemetry, health and diagnostic information across datacenter GPU nodes. This choice concerns nvidia dcgm gpu fleet diagnostics and health and may be valid in another design. But this case reports 'A server must be restarted remotely after a failed driver update', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 554

During an industrial computer-vision rollout at a manufacturing operator, engineers report the following issue: A server must be restarted remotely after a failed driver update. The affected work supports factory cameras and maintenance analytics; downtime and incorrect detections can interrupt production. Which observed result would justify closing this technical concern?

  1. A sampled node's actual firmware, GPU, driver and fabric settings match the approved inventory or show a tracked exception.
  2. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue.
  3. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.
  4. Several representative users submit jobs and the scheduler allocates only authorized GPU resources under the published priority and quota policy.

Explanation

Correct Answer

C:

Correct. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable. This is observable evidence for the issue 'A server must be restarted remotely after a failed driver update' in factory cameras and maintenance analytics. It tests whether the chosen action works under the relevant operating conditions, rather than merely showing that software was installed or a server is powered on.

Incorrect Answers

A:

Not the most direct the acceptance evidence for these facts. A sampled node's actual firmware, GPU, driver and fabric settings match the approved inventory or show a tracked exception. This choice concerns cluster inventory firmware and configuration baseline and may be valid in another design. But this case reports 'A server must be restarted remotely after a failed driver update', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

B:

Not the most direct the acceptance evidence for these facts. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue. This choice concerns nvidia-smi point-in-time gpu operational checks and may be valid in another design. But this case reports 'A server must be restarted remotely after a failed driver update', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the acceptance evidence for these facts. Several representative users submit jobs and the scheduler allocates only authorized GPU resources under the published priority and quota policy. This choice concerns slurm batch queues fair-share and reservations and may be valid in another design. But this case reports 'A server must be restarted remotely after a failed driver update', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 555

During a security and capacity review at a financial analytics firm, engineers report the following issue: An out-of-band path is required during a production network outage. The affected work supports risk scoring and historical-data models; traceable controls and predictable throughput are required. Which design choice best resolves this technical constraint?

  1. Use NVIDIA Data Center GPU Manager to collect supported accelerator telemetry, health and diagnostic information across datacenter GPU nodes.
  2. Use appropriate NVIDIA GPU drivers, device discovery or GPU Operator components and Kubernetes resource requests so eligible workloads receive supported accelerator devices.
  3. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement.
  4. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Explanation

Correct Answer

D:

Correct. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system. This directly addresses the observed issue: An out-of-band path is required during a production network outage. The important distinction is bmc and out-of-band server health administration, not a substitute feature from a different component. The follow-up validation is: An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.

Incorrect Answers

A:

Not the most direct the corrective action for these facts. Use NVIDIA Data Center GPU Manager to collect supported accelerator telemetry, health and diagnostic information across datacenter GPU nodes. This choice concerns nvidia dcgm gpu fleet diagnostics and health and may be valid in another design. But this case reports 'An out-of-band path is required during a production network outage', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

B:

Not the most direct the corrective action for these facts. Use appropriate NVIDIA GPU drivers, device discovery or GPU Operator components and Kubernetes resource requests so eligible workloads receive supported accelerator devices. This choice concerns Kubernetes gpu device scheduling and discovery and may be valid in another design. But this case reports 'An out-of-band path is required during a production network outage', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

C:

Not the most direct the corrective action for these facts. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement. This choice concerns gpu reliability events and diagnostic triage and may be valid in another design. But this case reports 'An out-of-band path is required during a production network outage', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 556

During a security and capacity review at a financial analytics firm, engineers report the following issue: An out-of-band path is required during a production network outage. The affected work supports risk scoring and historical-data models; traceable controls and predictable throughput are required. How should the team prove that the requested outcome is achieved?

  1. A deliberately observed GPU condition appears in DCGM telemetry with node and device identity and leads to an actionable diagnostic record.
  2. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.
  3. Two isolated compatible workloads run on their assigned MIG instances with bounded resource use and documented partition capacity.
  4. A multi-node training allocation starts with its required worker set and achieves expected synchronized-step performance without stranded partial jobs.

Explanation

Correct Answer

B:

Correct. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable. This is observable evidence for the issue 'An out-of-band path is required during a production network outage' in risk scoring and historical-data models. It tests whether the chosen action works under the relevant operating conditions, rather than merely showing that software was installed or a server is powered on.

Incorrect Answers

A:

Not the most direct the acceptance evidence for these facts. A deliberately observed GPU condition appears in DCGM telemetry with node and device identity and leads to an actionable diagnostic record. This choice concerns nvidia dcgm gpu fleet diagnostics and health and may be valid in another design. But this case reports 'An out-of-band path is required during a production network outage', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

C:

Not the most direct the acceptance evidence for these facts. Two isolated compatible workloads run on their assigned MIG instances with bounded resource use and documented partition capacity. This choice concerns nvidia mig hardware partitioning and isolation and may be valid in another design. But this case reports 'An out-of-band path is required during a production network outage', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the acceptance evidence for these facts. A multi-node training allocation starts with its required worker set and achieves expected synchronized-step performance without stranded partial jobs. This choice concerns distributed job placement and topology-aware orchestration and may be valid in another design. But this case reports 'An out-of-band path is required during a production network outage', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 557

During a regional deployment expansion at a media technology business, engineers report the following issue: Rack staff need to verify fan and thermal sensors before attempting host diagnostics. The affected work supports language and visual-content AI services; different workloads compete for shared acceleration and storage. What implementation is most defensible given the stated facts?

  1. Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.
  2. Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.
  3. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.
  4. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation.

Explanation

Correct Answer

C:

Correct. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system. This directly addresses the observed issue: Rack staff need to verify fan and thermal sensors before attempting host diagnostics. The important distinction is bmc and out-of-band server health administration, not a substitute feature from a different component. The follow-up validation is: An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.

Incorrect Answers

A:

Not the most direct the corrective action for these facts. Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic. This choice concerns nvidia-smi point-in-time gpu operational checks and may be valid in another design. But this case reports 'Rack staff need to verify fan and thermal sensors before attempting host diagnostics', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

B:

Not the most direct the corrective action for these facts. Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution. This choice concerns gpu utilization memory and power telemetry interpretation and may be valid in another design. But this case reports 'Rack staff need to verify fan and thermal sensors before attempting host diagnostics', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the corrective action for these facts. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation. This choice concerns cluster inventory firmware and configuration baseline and may be valid in another design. But this case reports 'Rack staff need to verify fan and thermal sensors before attempting host diagnostics', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 558

During a regional deployment expansion at a media technology business, engineers report the following issue: Rack staff need to verify fan and thermal sensors before attempting host diagnostics. The affected work supports language and visual-content AI services; different workloads compete for shared acceleration and storage. Which failure mode is the strongest reason to correct the problem?

  1. Host uptime or generic CPU monitoring alone can miss GPU-specific failures, throttling and compute or memory problems.
  2. Ignoring recurring accelerator errors or replacing parts without evidence can extend outages and overlook software or platform causes.
  3. Relying only on the workload OS for management can prevent diagnosis or recovery when a node crashes or its production network fails.
  4. High memory allocation does not necessarily mean high compute throughput, and thermal or power limits can constrain performance.

Explanation

Correct Answer

C:

Correct. Relying only on the workload OS for management can prevent diagnosis or recovery when a node crashes or its production network fails. The observed condition 'Rack staff need to verify fan and thermal sensors before attempting host diagnostics' creates this exposure. The intended mitigation is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Incorrect Answers

A:

Not the most direct the primary risk for these facts. Host uptime or generic CPU monitoring alone can miss GPU-specific failures, throttling and compute or memory problems. This choice concerns nvidia dcgm gpu fleet diagnostics and health and may be valid in another design. But this case reports 'Rack staff need to verify fan and thermal sensors before attempting host diagnostics', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

B:

Not the most direct the primary risk for these facts. Ignoring recurring accelerator errors or replacing parts without evidence can extend outages and overlook software or platform causes. This choice concerns gpu reliability events and diagnostic triage and may be valid in another design. But this case reports 'Rack staff need to verify fan and thermal sensors before attempting host diagnostics', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

D:

Not the most direct the primary risk for these facts. High memory allocation does not necessarily mean high compute throughput, and thermal or power limits can constrain performance. This choice concerns gpu utilization memory and power telemetry interpretation and may be valid in another design. But this case reports 'Rack staff need to verify fan and thermal sensors before attempting host diagnostics', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 559

During a shared-cluster operating review at a university HPC center, engineers report the following issue: A support engineer is asked to distinguish host OS service failure from chassis power loss. The affected work supports research training and scheduled compute allocations; fair resource access and repeatable cluster operations matter. Which approach targets the actual problem rather than a different AI issue?

  1. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation.
  2. Compare supported vGPU or time-sliced sharing, passthrough and MIG-backed virtualization according to VM isolation, licensing, performance and hardware support requirements.
  3. Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.
  4. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Explanation

Correct Answer

D:

Correct. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system. This directly addresses the observed issue: A support engineer is asked to distinguish host OS service failure from chassis power loss. The important distinction is bmc and out-of-band server health administration, not a substitute feature from a different component. The follow-up validation is: An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.

Incorrect Answers

A:

Not the most direct the corrective action for these facts. Maintain an inventory of GPU systems, drivers, firmware, network devices and approved configuration versions with controlled rollout and reconciliation. This choice concerns cluster inventory firmware and configuration baseline and may be valid in another design. But this case reports 'A support engineer is asked to distinguish host OS service failure from chassis power loss', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

B:

Not the most direct the corrective action for these facts. Compare supported vGPU or time-sliced sharing, passthrough and MIG-backed virtualization according to VM isolation, licensing, performance and hardware support requirements. This choice concerns virtual gpus and gpu sharing approaches and may be valid in another design. But this case reports 'A support engineer is asked to distinguish host OS service failure from chassis power loss', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

C:

Not the most direct the corrective action for these facts. Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution. This choice concerns gpu utilization memory and power telemetry interpretation and may be valid in another design. But this case reports 'A support engineer is asked to distinguish host OS service failure from chassis power loss', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

Question 560

During a shared-cluster operating review at a university HPC center, engineers report the following issue: A support engineer is asked to distinguish host OS service failure from chassis power loss. The affected work supports research training and scheduled compute allocations; fair resource access and repeatable cluster operations matter. Which TWO responses form the best remediation-and-evidence pair? (Select TWO.)

  1. An authorized VM sees the expected supported accelerator profile and passes workload and isolation tests under simultaneous tenant demand.
  2. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.
  3. Place tightly coupled distributed training processes with awareness of accelerator counts, network topology and collective communication demands, and validate gang-scheduling needs.
  4. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.
  5. Use NVIDIA Data Center GPU Manager to collect supported accelerator telemetry, health and diagnostic information across datacenter GPU nodes.

Explanation

Correct Answers

B:

Correct corrective action. Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system. This fits the specific reported issue: A support engineer is asked to distinguish host OS service failure from chassis power loss. The corresponding failure being reduced is: Relying only on the workload OS for management can prevent diagnosis or recovery when a node crashes or its production network fails.

D:

Correct independent evidence. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable. This verifies the corrective approach for the affected research training and scheduled compute allocations instead of treating an architecture diagram alone as success.

Incorrect Answers

A:

Not the most direct the action-and-evidence pair for these facts. An authorized VM sees the expected supported accelerator profile and passes workload and isolation tests under simultaneous tenant demand. This choice concerns virtual gpus and gpu sharing approaches and may be valid in another design. But this case reports 'A support engineer is asked to distinguish host OS service failure from chassis power loss', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

C:

Not the most direct the action-and-evidence pair for these facts. Place tightly coupled distributed training processes with awareness of accelerator counts, network topology and collective communication demands, and validate gang-scheduling needs. This choice concerns distributed job placement and topology-aware orchestration and may be valid in another design. But this case reports 'A support engineer is asked to distinguish host OS service failure from chassis power loss', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.

E:

Not the most direct the action-and-evidence pair for these facts. Use NVIDIA Data Center GPU Manager to collect supported accelerator telemetry, health and diagnostic information across datacenter GPU nodes. This choice concerns nvidia dcgm gpu fleet diagnostics and health and may be valid in another design. But this case reports 'A support engineer is asked to distinguish host OS service failure from chassis power loss', which calls for reasoning about bmc and out-of-band server health administration. The targeted response is: Use a secured baseboard management controller and out-of-band path to inspect system sensors, power and remote console status independently of the host operating system.