Exam NCA-AIIO topic 1 question 31 discussion

Actual exam question from NVIDIA's NCA-AIIO

Question #: 31
Topic #: 1

[All NCA-AIIO Questions]

What is a key benefit of using NVIDIA GPUDirect RDMA in an AI environment?

A. It increases the power efficiency and thermal management of GPUs.
B. It reduces the latency and bandwidth overhead of remote memory access between GPUs.
C. It enables faster data transfers between GPUs and CPUs without involving the operating system.
D. It allows multiple GPUs to share the same memory space without any synchronization.

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Suggested Answer: B 🗳️

by Aman1001 at Sept. 1, 2025, 5:09 p.m.

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junk

16 hours, 36 minutes ago

Selected Answer: B

GPUDirect with RDMA is a technology developed by NVIDIA that enables direct memory access between NVIDIA GPUs and other devices, such as network adapters, storage systems, and other GPUs. It allows for efficient data transfers without involving the CPU, resulting in reduced latency and increased bandwidth.

upvoted 1 times

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9320159

2 months, 2 weeks ago

Selected Answer: B

NVIDIA GPUDirect RDMA (Remote Direct Memory Access) allows GPUs to communicate directly with each other across nodes without involving the CPU or operating system. This results in: Lower latency for data transfers Reduced bandwidth overhead Improved scalability in multi-node AI training environments It’s especially beneficial in distributed deep learning, HPC, and real-time AI inference setups.

upvoted 4 times

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