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  1. Home
  2. NVIDIA Certification
  3. NCA-AIIO Exam
  4. NVIDIA.NCA-AIIO.v2025-09-29.q49 Dumps
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Question 6

Your organization is building a hybrid cloud system that needs to handle a variety of tasks, including complex scientificsimul-ations, database management, and training large AI models. You need to allocate resources effectively. How do GPU and CPU architectures compare in terms of handling these different tasks?

Correct Answer: A
GPUs excel at parallel tasks like AI model training and scientificsimul-ationsdue to their thousands of cores optimized for simultaneous computations (e.g., matrix operations), while CPUs are better suited for sequential tasks like database management, which rely on high clock speeds and single-threaded performance. NVIDIA' s architecture documentation highlights GPUs' role in accelerating parallel workloads (e.g., via CUDA), as seen in DGX systems for AI training, while CPUs handle general-purpose tasks efficiently. Option B reverses this, contradicting NVIDIA's design. Option C oversimplifies by limiting GPUs tosimul-ations. Option D ignores CPUs' strengths. NVIDIA's hybrid cloud solutions align with Option A for effective resource allocation.
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Question 7

In an AI data center, you are working with a professional administrator to optimize the deployment of AI workloads across multiple servers. Which of the following actions would best contribute to improving the efficiency and performance of the data center?

Correct Answer: A
Distributing AI workloads across multiple servers with GPUs, while using DPUs (e.g., NVIDIA BlueField) to manage network and storage tasks, best improves efficiency and performance in an AI data center. This approach leverages GPU parallelism for computation and offloads networking/storage (e.g., RDMA, encryption) to DPUs, reducing CPU overhead and latency. NVIDIA's "BlueField DPU Documentation" and
"AI Infrastructure for Enterprise" highlight this as an optimized design for scalable, high-performance AI deployments.
Consolidating workloads on one server (B) creates a bottleneck and single point of failure. Assigning networking to CPUs (C) negates DPU benefits, reducing efficiency. NVIDIA's architecture guidance supports distributed GPU-DPU setups.
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Question 8

Which component of the NVIDIA AI software stack is primarily responsible for optimizing deep learning inference performance by leveraging the specific architecture of NVIDIA GPUs?

Correct Answer: B
NVIDIA TensorRT is the component primarily responsible for optimizing deep learning inference performance by leveraging NVIDIA GPU architecture (e.g., Tensor Cores on A100 GPUs). TensorRT optimizes trained models through techniques like layer fusion, precision reduction (e.g., FP16, INT8), and kernel tuning, delivering low-latency, high-throughput inference. It's tailored for production environments, as detailed in NVIDIA's "TensorRT Developer Guide," making it distinct from other stack components.
cuDNN (A) provides neural network primitives for training and inference but lacks TensorRT's optimization depth. Triton Inference Server (C) deploys models efficiently but relies on TensorRT for optimization. CUDA Toolkit (D) is a foundational platform, not specific to inference optimization. TensorRT is NVIDIA's core inference optimizer.
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Question 9

You are working with a team of data scientists on an AI project where multiple machine learning models are being trained to predict customer churn. The models are evaluated based on the Mean Squared Error (MSE) as the loss function. However, one model consistently shows a higher MSE despite having a more complex architecture compared to simpler models. What is the most likely reason for the higher MSE in the more complex model?

Correct Answer: B
A complex model with higher MSE than simpler ones likely suffers from overfitting, where it learns training data noise rather than general patterns, reducing test performance. NVIDIA's training workflows (e.g., DGX, RAPIDS) emphasize regularization (e.g., dropout) to mitigate this, common in deep learning.
A low learning rate (Option A) slows convergence but doesn't inherently raise MSE. Incorrect loss calculation (Option C) would affect all models. Underfitting (Option D) contradicts the model's complexity.
Overfitting is NVIDIA-aligned for such scenarios.
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Question 10

A financial services company is using an AI model for fraud detection, deployed on NVIDIA GPUs. After deployment, the company notices a significant delay in processing transactions, which impacts their operations. Upon investigation, it's discovered that the AI model is being heavily used during peak business hours, leading to resource contention on the GPUs. What is the best approach to address this issue?

Correct Answer: D
Implementing GPU load balancing across multiple instances is the best approach to address resource contention and delays in a fraud detection system during peak hours. Load balancing distributes inference workloads across multiple NVIDIA GPUs (e.g., in a DGX cluster or Kubernetes setup with Triton Inference Server), ensuring no single GPU is overwhelmed. This maintains low latency and high throughput, as recommended in NVIDIA's "AI Infrastructure and Operations Fundamentals" and "Triton Inference Server Documentation" for production environments.
Switching to CPUs (A) sacrifices GPU performance advantages. Disabling monitoring (B) doesn't address contention and hinders diagnostics. Increasing batch size (C) may worsen delays by overloading GPUs. Load balancing is NVIDIA's standard solution for peak load management.
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