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  1. Home
  2. NVIDIA Certification
  3. NCA-AIIO Exam
  4. NVIDIA.NCA-AIIO.v2025-06-03.q71 Dumps
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Question 66

Which of the following is a primary challenge when integrating AI into existing IT infrastructure?

Correct Answer: B
Scalability of AI workloads is a primary challenge when integrating AI into existing IT infrastructure. AI tasks, especially training and inference on NVIDIA GPUs, demand significant compute, memory, and networking resources, which legacy systems may not handle efficiently. Scaling these workloads across clusters or hybrid environments requires careful planning, as noted in NVIDIA's "AI Infrastructure and Operations Fundamentals" and "AI Adoption Guide." User-friendly interfaces (A) are secondary to technical integration. Hardware compatibility (C) is less challenging with NVIDIA's broad support. Cloud provider selection (D) is a decision, not a core challenge.
NVIDIA identifies scalability as a key integration hurdle.
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Question 67

An AI research team is working on a large-scale natural language processing (NLP) model that requires both data preprocessing and training across multiple GPUs. They need to ensure that the GPUs are used efficiently to minimize training time. Which combination of NVIDIA technologies should they use?

Correct Answer: C
NVIDIA DALI (Data Loading Library) and NVIDIA NCCL (Collective Communications Library) are the best combination for efficient GPU use in NLP model training. DALI accelerates data preprocessing (e.g., tokenization) on GPUs, reducing CPU bottlenecks, while NCCL optimizes inter-GPU communication for distributed training, minimizing latency and maximizing utilization. Option A (TensorRT) focuses on inference, not training. Option B (DeepStream) targets video analytics. Option D (cuDNN, NGC) supports neural ops and model access but lacks preprocessing/communication focus. NVIDIA's NLP workflows recommend DALI and NCCL for efficiency.
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Question 68

You are configuring a multi-node AI training environment using NVIDIA GPUs, and your team wants to ensure that the network infrastructure can handle the data transfer between nodes efficiently, especially during distributed training tasks. What is the most critical factor to consider in the network infrastructure to minimize bottlenecks during distributed AI training?

Correct Answer: A
Implementing InfiniBand with RDMA support is the most critical factor to minimize bottlenecks in distributed AI training. It provides ultra-low latency and high bandwidth (e.g., 200 Gb/s), optimizing GPU-to- GPU data transfers via NCCL. Option B (more Ethernet ports) improves redundancy, not speed. Option C (fewer nodes) limits scalability. Option D (SDN) aids management, not raw performance. NVIDIA's DGX networking guides recommend InfiniBand.
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Question 69

A large enterprise is deploying a high-performance AI infrastructure to accelerate its machine learning workflows. They are using multiple NVIDIA GPUs in a distributed environment. To optimize the workload distribution and maximize GPU utilization, which of the following tools or frameworks should be integrated into their system? (Select two)

Correct Answer: A,D
In a distributed environment with multiple NVIDIA GPUs, optimizing workload distribution and GPU utilization requires tools that enable efficient computation and communication:
* NVIDIA CUDA(A) is a foundational parallel computing platform that allows developers to harness GPU power for general-purpose computing, including machine learning. It's essential for programming GPUs and optimizing workloads in a distributed setup.
* NVIDIA NCCL(D) (NVIDIA Collective Communications Library) is designed for multi-GPU and multi-node communication, providing optimized primitives (e.g., all-reduce, broadcast) for collective operations in deep learning. It ensures efficient data exchange between GPUs, maximizing utilization in distributed training.
* NVIDIA NGC(B) is a hub for GPU-optimized containers and models, useful for deployment but not directly responsible for workload distribution or GPU utilization optimization.
* TensorFlow Serving(C) is a framework for deploying machine learning models for inference, not for optimizing distributed training or GPU utilization during model development.
* Keras(E) is a high-level API for building neural networks, but it lacks the low-level control needed for distributed workload optimization-it relies on backends like TensorFlow or CUDA.
Thus, CUDA (A) and NCCL (D) are the best choices for this scenario.
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Question 70

A large healthcare provider wants to implement an AI-driven diagnostic system that can analyze medical images across multiple hospitals. The system needs to handle large volumes of data, comply with strict data privacy regulations, and provide fast, accurate results. The infrastructure should also support future scaling as more hospitals join the network. Which approach using NVIDIA technologies would best meet the requirements for this AI-driven diagnostic system?

Correct Answer: D
Deploying the AI model on NVIDIA DGX A100 systems in a centralized data center with NVIDIA Clara is the best approach for an AI-driven diagnostic system in healthcare. The DGX A100provides high- performance GPU computing for training and inference on large medical image datasets, while NVIDIA Clara offers a healthcare-specific AI platform with pre-trained models, privacy-preserving tools (e.g., federated learning), and scalability features. A centralized data center ensures compliance with privacy regulations (e.g., HIPAA) via secure data handling and supports future scaling as more hospitals join.
Generic CPU servers with TensorFlow (A) lack the GPU acceleration needed for fast, large-scale image analysis. Quadro RTX GPUs (B) are for visualization, not enterprise-scale AI diagnostics. Jetson Nano (C) is for edge inference, not centralized, scalable diagnostic systems. NVIDIA's "Clara Documentation" and "AI Infrastructure for Enterprise" validate this approach for healthcare AI.
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