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Exam NCA-AIIO Topic 2 Question 32 Discussion

Actual exam question for NVIDIA's NCA-AIIO exam
Question #: 32
Topic #: 2
A company is deploying a large-scale AI training workload that requires distributed computing across multiple GPUs. They need to ensure efficient communication between GPUs on different nodes and optimize the training time. Which of the following NVIDIA technologies should they use to achieve this?

Suggested Answer: C Vote an answer

NVIDIA NCCL (NVIDIA Collective Communication Library) is the optimal technology for ensuring efficient communication between GPUs across different nodes in a distributed AI training workload. NCCL is a library specifically designed for multi-GPU and multi-node communication, providing optimized collective operations (e.g., all-reduce, broadcast) that minimize latency and maximize bandwidth. It integrates with high- speed interconnects like NVLink (within a node) and InfiniBand (across nodes), making it ideal for large- scale training where GPUs must synchronize gradients and parameters efficiently to reduce training time.
NVIDIA NVLink (A) is a high-speed interconnect for GPU-to-GPU communication within a single node, but it does not address inter-node communication across a cluster. NVIDIA TensorRT (B) is an inference optimization library, not suited for training workloads. NVIDIA DeepStream SDK (D) focuses on real-time video processing and inference, not distributed training. Official NVIDIA documentation, such as the "NCCL Developer Guide" and "AI Infrastructure and Operations Fundamentals" course, confirms NCCL's role in optimizing distributed training performance.

by Meredith at Dec 01, 2025, 05:39 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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