Exam NCP-AII Topic 1 Question 190 Discussion

Actual exam question for NVIDIA's NCP-AII exam
Question #: 190
Topic #: 1

You've replaced a faulty NVIDIA Quadro RTX 8000 GPU with an identical model in a workstation. The system boots, and 'nvidia-smi' recognizes the new GPU. However, when rendering complex 3D scenes in Maya, you observe significantly lower performance compared to before the replacement. Profiling with the NVIDIA Nsight Graphics debugger shows that the GPU is only utilizing a small fraction of its available memory bandwidth. What are the TWO most likely contributing factors?

A. The new GPU's PCle link speed is operating at a lower generation (e.g., Gen3 instead of Gen4). B. The NVIDIA OptiX denoiser is not properly configured or enabled. C. The workstation's power plan is set to 'Power Saver,' limiting GPU performance. D. The Maya scene file contains corrupted or inefficient geometry. E. The newly installed GPU's VBIOS has not been properly flashed, causing an incompatibility issue.

Suggested Answer: A,C Vote an answer

Low memory bandwidth utilization after replacing a GPU suggests a bottleneck in data transfer or power delivery. A lower PCle link speed (A) would severely limit the GPU's ability to receive data from the CPU and system memory, resulting in underutilization. Setting the power plan to 'Power Saver' (C) restricts the GPU's power budget, preventing it from reaching its maximum clock speed and memory bandwidth. While OptiX denoiser configuration (B) and scene file issues (D) can impact rendering performance, they are less likely to directly cause low memory bandwidth utilization. VBIOS issues (E) could cause problems, but incorrect or missing VBIOS can cause driver errors or complete system unresponsiveness.

by Michael at Jan 14, 2026, 11:25 PM

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