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NVIDIA NCA-AIIO Bundle

Exam Code: NCA-AIIO

Exam Name NCA - AI Infrastructure and Operations

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NVIDIA NCA-AIIO Practice Test 65

Question 640

During a security and capacity review at a financial analytics firm, engineers report the following issue: Operations need to identify which process is holding GPU resources after a failed experiment. The affected work supports risk scoring and historical-data models; traceable controls and predictable throughput are required. Choose TWO: one corrective approach and one result demonstrating it works. (Select TWO.)

  1. A sampled node's actual firmware, GPU, driver and fabric settings match the approved inventory or show a tracked exception.
  2. Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.
  3. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue.
  4. Place tightly coupled distributed training processes with awareness of accelerator counts, network topology and collective communication demands, and validate gang-scheduling needs.
  5. 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 Answers

B:

Correct corrective action. 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 fits the specific reported issue: Operations need to identify which process is holding GPU resources after a failed experiment. The corresponding failure being reduced is: A healthy host does not prove its accelerator is recognized or free of memory pressure and unexpected competing processes.

C:

Correct independent evidence. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue. This verifies the corrective approach for the affected risk scoring and historical-data models instead of treating an architecture diagram alone as success.

Incorrect Answers

A:

Not the most direct the action-and-evidence pair 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 'Operations need to identify which process is holding GPU resources after a failed experiment', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

D:

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 'Operations need to identify which process is holding GPU resources after a failed experiment', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

E:

Not the most direct the action-and-evidence pair 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 'Operations need to identify which process is holding GPU resources after a failed experiment', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

Question 641

During a regional deployment expansion at a media technology business, engineers report the following issue: A training node exposes several accelerators but an application sees only one device. The affected work supports language and visual-content AI services; different workloads compete for shared acceleration and storage. Which action most directly addresses the described requirement?

  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. Compare supported vGPU or time-sliced sharing, passthrough and MIG-backed virtualization according to VM isolation, licensing, performance and hardware support requirements.
  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

A:

Correct. 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 directly addresses the observed issue: A training node exposes several accelerators but an application sees only one device. The important distinction is nvidia-smi point-in-time gpu operational checks, not a substitute feature from a different component. The follow-up validation is: A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue.

Incorrect Answers

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 'A training node exposes several accelerators but an application sees only one device', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

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 training node exposes several accelerators but an application sees only one device', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

D:

Not the most direct the corrective action for these facts. 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 choice concerns bmc and out-of-band server health administration and may be valid in another design. But this case reports 'A training node exposes several accelerators but an application sees only one device', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

Question 642

During a regional deployment expansion at a media technology business, engineers report the following issue: A training node exposes several accelerators but an application sees only one device. The affected work supports language and visual-content AI services; different workloads compete for shared acceleration and storage. Which acceptance result is most relevant to this workload?

  1. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue.
  2. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable.
  3. An authorized VM sees the expected supported accelerator profile and passes workload and isolation tests under simultaneous tenant demand.
  4. A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events.

Explanation

Correct Answer

A:

Correct. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue. This is observable evidence for the issue 'A training node exposes several accelerators but an application sees only one device' in language and visual-content AI services. 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

B:

Not the most direct the acceptance evidence for these facts. An authorized operator retrieves board-level health and remote console information over the protected management network while the host OS is unavailable. This choice concerns bmc and out-of-band server health administration and may be valid in another design. But this case reports 'A training node exposes several accelerators but an application sees only one device', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

C:

Not the most direct the acceptance evidence 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 training node exposes several accelerators but an application sees only one device', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

D:

Not the most direct the acceptance evidence for these facts. A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events. This choice concerns gpu utilization memory and power telemetry interpretation and may be valid in another design. But this case reports 'A training node exposes several accelerators but an application sees only one device', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

Question 643

During a shared-cluster operating review at a university HPC center, engineers report the following issue: The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host. The affected work supports research training and scheduled compute allocations; fair resource access and repeatable cluster operations matter. What should the AI infrastructure engineer recommend first?

  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. Choose supported Multi-Instance GPU profiles for multiple smaller workloads requiring hardware-partitioned compute and memory isolation, after verifying GPU and software support.
  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

A:

Correct. 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 directly addresses the observed issue: The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host. The important distinction is nvidia-smi point-in-time gpu operational checks, not a substitute feature from a different component. The follow-up validation is: A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue.

Incorrect Answers

B:

Not the most direct the corrective action for these facts. Choose supported Multi-Instance GPU profiles for multiple smaller workloads requiring hardware-partitioned compute and memory isolation, after verifying GPU and software support. This choice concerns nvidia mig hardware partitioning and isolation and may be valid in another design. But this case reports 'The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

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 'The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

D:

Not the most direct the corrective action for these facts. 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 choice concerns bmc and out-of-band server health administration and may be valid in another design. But this case reports 'The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

Question 644

During a shared-cluster operating review at a university HPC center, engineers report the following issue: The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host. The affected work supports research training and scheduled compute allocations; fair resource access and repeatable cluster operations matter. Which observed result would justify closing this technical concern?

  1. A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events.
  2. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue.
  3. Several representative users submit jobs and the scheduler allocates only authorized GPU resources under the published priority and quota policy.
  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. A point-in-time inspection identifies the correct GPU and active process, memory and temperature state corresponding to the reported issue. This is observable evidence for the issue 'The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host' in research training and scheduled compute allocations. 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 time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events. This choice concerns gpu utilization memory and power telemetry interpretation and may be valid in another design. But this case reports 'The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

C:

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 'The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

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 'The team assumes a GUI performance panel is the only way to inspect GPU status on a headless host', which calls for reasoning about nvidia-smi point-in-time gpu operational checks. The targeted response is: Use nvidia-smi or supported NVIDIA management interfaces to inspect GPU identification, utilization, memory, temperatures and running processes as an initial node-level diagnostic.

Question 645

During a multi-team AI platform review at an applied research institute, engineers report the following issue: A model reserves almost all GPU memory yet computes only a small fraction of each interval. The affected work supports training and inference experiments; jobs must produce reproducible, defensible technical results. Which design choice best resolves this technical constraint?

  1. Use a workload scheduler such as Slurm with explicit job GPU resource requests, queue policies and fair-share controls for shared training clusters.
  2. Choose supported Multi-Instance GPU profiles for multiple smaller workloads requiring hardware-partitioned compute and memory isolation, after verifying GPU and software support.
  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. 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

D:

Correct. 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 directly addresses the observed issue: A model reserves almost all GPU memory yet computes only a small fraction of each interval. The important distinction is gpu utilization memory and power telemetry interpretation, not a substitute feature from a different component. The follow-up validation is: A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events.

Incorrect Answers

A:

Not the most direct the corrective action for these facts. Use a workload scheduler such as Slurm with explicit job GPU resource requests, queue policies and fair-share controls for shared training clusters. This choice concerns slurm batch queues fair-share and reservations and may be valid in another design. But this case reports 'A model reserves almost all GPU memory yet computes only a small fraction of each interval', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

B:

Not the most direct the corrective action for these facts. Choose supported Multi-Instance GPU profiles for multiple smaller workloads requiring hardware-partitioned compute and memory isolation, after verifying GPU and software support. This choice concerns nvidia mig hardware partitioning and isolation and may be valid in another design. But this case reports 'A model reserves almost all GPU memory yet computes only a small fraction of each interval', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

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 'A model reserves almost all GPU memory yet computes only a small fraction of each interval', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

Question 646

During a multi-team AI platform review at an applied research institute, engineers report the following issue: A model reserves almost all GPU memory yet computes only a small fraction of each interval. The affected work supports training and inference experiments; jobs must produce reproducible, defensible technical results. How should the team prove that the requested outcome is achieved?

  1. A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events.
  2. A test pod requests a supported accelerator resource, schedules to an eligible node and performs a successful device computation.
  3. A reproducible fault is linked to device identifiers, event history and a documented diagnostic action with a verified recovery result.
  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

A:

Correct. A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events. This is observable evidence for the issue 'A model reserves almost all GPU memory yet computes only a small fraction of each interval' in training and inference experiments. 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

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 'A model reserves almost all GPU memory yet computes only a small fraction of each interval', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

C:

Not the most direct the acceptance evidence for these facts. A reproducible fault is linked to device identifiers, event history and a documented diagnostic action with a verified recovery result. This choice concerns gpu reliability events and diagnostic triage and may be valid in another design. But this case reports 'A model reserves almost all GPU memory yet computes only a small fraction of each interval', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

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 'A model reserves almost all GPU memory yet computes only a small fraction of each interval', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

Question 647

During a high-traffic model-service launch at an online commerce company, engineers report the following issue: An operator reports strong utilization from one isolated second despite long idle periods. The affected work supports product search, recommendations and fraud screening; peak request demand makes degraded predictions visible to customers. What implementation is most defensible given the stated facts?

  1. Compare supported vGPU or time-sliced sharing, passthrough and MIG-backed virtualization according to VM isolation, licensing, performance and hardware support requirements.
  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. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement.

Explanation

Correct Answer

B:

Correct. 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 directly addresses the observed issue: An operator reports strong utilization from one isolated second despite long idle periods. The important distinction is gpu utilization memory and power telemetry interpretation, not a substitute feature from a different component. The follow-up validation is: A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events.

Incorrect Answers

A:

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 'An operator reports strong utilization from one isolated second despite long idle periods', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

C:

Not the most direct the corrective action for these facts. 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 choice concerns bmc and out-of-band server health administration and may be valid in another design. But this case reports 'An operator reports strong utilization from one isolated second despite long idle periods', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

D:

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 operator reports strong utilization from one isolated second despite long idle periods', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

Question 648

During a high-traffic model-service launch at an online commerce company, engineers report the following issue: An operator reports strong utilization from one isolated second despite long idle periods. The affected work supports product search, recommendations and fraud screening; peak request demand makes degraded predictions visible to customers. Which failure mode is the strongest reason to correct the problem?

  1. A sharing approach that does not meet required isolation or host compatibility can create unpredictable performance or fail to provision guest acceleration.
  2. High memory allocation does not necessarily mean high compute throughput, and thermal or power limits can constrain performance.
  3. A healthy host does not prove its accelerator is recognized or free of memory pressure and unexpected competing processes.
  4. Inconsistent hardware or firmware versions across nodes can create hard-to-reproduce performance and compatibility failures.

Explanation

Correct Answer

B:

Correct. High memory allocation does not necessarily mean high compute throughput, and thermal or power limits can constrain performance. The observed condition 'An operator reports strong utilization from one isolated second despite long idle periods' creates this exposure. The intended mitigation is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

Incorrect Answers

A:

Not the most direct the primary risk for these facts. A sharing approach that does not meet required isolation or host compatibility can create unpredictable performance or fail to provision guest acceleration. This choice concerns virtual gpus and gpu sharing approaches and may be valid in another design. But this case reports 'An operator reports strong utilization from one isolated second despite long idle periods', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

C:

Not the most direct the primary risk for these facts. A healthy host does not prove its accelerator is recognized or free of memory pressure and unexpected competing processes. This choice concerns nvidia-smi point-in-time gpu operational checks and may be valid in another design. But this case reports 'An operator reports strong utilization from one isolated second despite long idle periods', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

D:

Not the most direct the primary risk for these facts. Inconsistent hardware or firmware versions across nodes can create hard-to-reproduce performance and compatibility failures. This choice concerns cluster inventory firmware and configuration baseline and may be valid in another design. But this case reports 'An operator reports strong utilization from one isolated second despite long idle periods', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

Question 649

During a regulated deployment assessment at a healthcare imaging provider, engineers report the following issue: A training service shows high GPU activity but throughput falls when power limiting begins. The affected work supports clinical imaging and model-assisted workflows; patient data constraints and reliable model performance are important. Which approach targets the actual problem rather than a different AI issue?

  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. 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 workload scheduler such as Slurm with explicit job GPU resource requests, queue policies and fair-share controls for shared training clusters.

Explanation

Correct Answer

C:

Correct. 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 directly addresses the observed issue: A training service shows high GPU activity but throughput falls when power limiting begins. The important distinction is gpu utilization memory and power telemetry interpretation, not a substitute feature from a different component. The follow-up validation is: A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events.

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 'A training service shows high GPU activity but throughput falls when power limiting begins', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

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 training service shows high GPU activity but throughput falls when power limiting begins', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

D:

Not the most direct the corrective action for these facts. Use a workload scheduler such as Slurm with explicit job GPU resource requests, queue policies and fair-share controls for shared training clusters. This choice concerns slurm batch queues fair-share and reservations and may be valid in another design. But this case reports 'A training service shows high GPU activity but throughput falls when power limiting begins', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

Question 650

During a regulated deployment assessment at a healthcare imaging provider, engineers report the following issue: A training service shows high GPU activity but throughput falls when power limiting begins. The affected work supports clinical imaging and model-assisted workflows; patient data constraints and reliable model performance are important. Which TWO responses form the best remediation-and-evidence pair? (Select TWO.)

  1. Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.
  2. Two isolated compatible workloads run on their assigned MIG instances with bounded resource use and documented partition capacity.
  3. Use a workload scheduler such as Slurm with explicit job GPU resource requests, queue policies and fair-share controls for shared training clusters.
  4. Correlate supported GPU error counters and Xid or ECC events with driver logs, diagnostics and affected workloads before deciding on remediation or hardware replacement.
  5. A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events.

Explanation

Correct Answers

A:

Correct corrective action. 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 fits the specific reported issue: A training service shows high GPU activity but throughput falls when power limiting begins. The corresponding failure being reduced is: High memory allocation does not necessarily mean high compute throughput, and thermal or power limits can constrain performance.

E:

Correct independent evidence. A time-series review connects kernel activity and memory use to actual completed training or inference work while checking limit events. This verifies the corrective approach for the affected clinical imaging and model-assisted workflows instead of treating an architecture diagram alone as success.

Incorrect Answers

B:

Not the most direct the action-and-evidence pair 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 'A training service shows high GPU activity but throughput falls when power limiting begins', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

C:

Not the most direct the action-and-evidence pair for these facts. Use a workload scheduler such as Slurm with explicit job GPU resource requests, queue policies and fair-share controls for shared training clusters. This choice concerns slurm batch queues fair-share and reservations and may be valid in another design. But this case reports 'A training service shows high GPU activity but throughput falls when power limiting begins', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.

D:

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 'A training service shows high GPU activity but throughput falls when power limiting begins', which calls for reasoning about gpu utilization memory and power telemetry interpretation. The targeted response is: Interpret GPU compute utilization, device-memory occupancy, power draw and temperature together over time instead of using one metric as proof of efficient execution.