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Exam NCA-AIIO Topic 1 Question 50 Discussion

Actual exam question for NVIDIA's NCA-AIIO exam
Question #: 50
Topic #: 1
Your AI training jobs are consistently taking longer than expected to complete on your GPU cluster, despite having optimized your model and code. Upon investigation, you notice that some GPUs are significantly underutilized. What could be the most likely cause of this issue?

Suggested Answer: B Vote an answer

An inefficient data pipeline causing bottlenecks is the most likely cause of prolonged training times and GPU underutilization in an optimized NVIDIA GPU cluster. If the data pipeline (e.g., I/O, preprocessing) cannot feed data to GPUs fast enough, GPUs idle, reducing utilization and extending training duration. NVIDIA's
"AI Infrastructure and Operations Fundamentals" and "Deep Learning Institute (DLI)" stress that data pipeline efficiency is a common bottleneck in GPU-accelerated training, detectable via tools like NVIDIA DCGM.
Insufficient power (A) would cause crashes, not underutilization. Inadequate cooling (C) leads to throttling, typically with high utilization. Outdated drivers (D) might degrade performance uniformly, not selectively.
NVIDIA's diagnostics point to data pipelines as the primary culprit here.

by Rupert at Mar 14, 2026, 03:38 AM

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Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.

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