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NVIDIA NCA-AIIO Test Review | Downloadable NCA-AIIO PDF

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NVIDIA NCA-AIIO Test Review | Downloadable NCA-AIIO PDF

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NVIDIA-Certified Associate AI Infrastructure and Operations Sample Questions (Q14-Q19):NEW QUESTION # 14
You are working with a large healthcare dataset containing millions of patient records. Your goal is to identify patterns and extract actionable insights that could improve patient outcomes. The dataset is highly dimensional, with numerous variables, and requires significant processing power to analyze effectively.
Which two techniques are most suitable for extracting meaningful insights from this large, complex dataset?
(Select two)
  • A. SMOTE (Synthetic Minority Over-sampling Technique)
  • B. Batch Normalization
  • C. Data Augmentation
  • D. K-means Clustering
  • E. Dimensionality Reduction (e.g., PCA)
Answer: D,E
Explanation:
A large, high-dimensional healthcare dataset requires techniques to uncover patterns and reduce complexity.
K-means Clustering (Option D) groups similar patient records (e.g., by symptoms or outcomes), identifying actionable patterns using NVIDIA RAPIDS cuML for GPU acceleration. Dimensionality Reduction (Option E), like PCA, reduces variables to key components, simplifying analysis while preserving insights, also accelerated by RAPIDS on NVIDIA GPUs (e.g., DGX systems).
SMOTE (Option A) addresses class imbalance, not general pattern extraction. Data Augmentation (Option B) enhances training data, not insight extraction. Batch Normalization (Option C) is a training technique, not an analysis tool. NVIDIA's data science tools prioritize clustering and dimensionality reduction for such tasks.

NEW QUESTION # 15
Which is the best PUE value for a data center?
  • A. PUE of 3.5
  • B. PUE of 1.2
  • C. PUE of 2.0
  • D. PUE of 5.0
Answer: B
Explanation:
Power Usage Effectiveness (PUE) measures data center efficiency, with an ideal value of 1.0 (all power used by IT equipment). A PUE of 1.2, indicating only 20% overhead, is highly efficient and closer to the ideal than
2.0 (100% overhead), 3.5, or 5.0, making it the best among the options for energy-conscious AI deployments.
(Reference: NVIDIA AI Infrastructure and Operations Study Guide, Section on Data Center Efficiency)

NEW QUESTION # 16
In an AI infrastructure setup using NVIDIA GPUs across multiple nodes, you notice that the inter-node communication latency is higher than expected during distributed training. Which networking feature or protocol is most likely responsible for reducing latency in this scenario?
  • A. VLAN segmentation
  • B. InfiniBand with RDMA (Remote Direct Memory Access)
  • C. Network Address Translation (NAT)
  • D. TCP/IP over Ethernet
Answer: B
Explanation:
InfiniBand with RDMA (Remote Direct Memory Access) is the most effective networking feature for reducing inter-node communication latency in distributed training on NVIDIA GPUs. InfiniBand, paired with RDMA, enables direct memory access between nodes, bypassing CPU overhead and achieving ultra-low latency and high bandwidth (e.g., 200 Gb/s), critical for GPU-to-GPU data transfers via NVLink or NCCL.
Option A (NAT) manages addressing, not latency. Option B (TCP/IP over Ethernet) has higher overhead than InfiniBand. Option D (VLAN segmentation) aids isolation, not speed. NVIDIA's DGX and cluster documentation recommend InfiniBand for distributed AI workloads.

NEW QUESTION # 17
You are tasked with managing an AI training environment where multiple deep learning models are being trained simultaneously on a shared GPU cluster. Some models require more GPU resources and longer training times than others. Which orchestration strategy would best ensure that all models are trained efficiently without causing delays for high-priority workloads?
  • A. Randomly assign GPU resources to each model training job.
  • B. Assign equal GPU resources to all models regardless of their requirements.
  • C. Use a first-come, first-served (FCFS) scheduling policy for all models.
  • D. Implement a priority-based scheduling system that allocates more GPUs to high-priority models.
Answer: D
Explanation:
In a shared GPU cluster environment, efficient resource allocation is critical to ensure that high-priority workloads, such as mission-critical AI models or time-sensitive experiments, are not delayed by less urgent tasks. A priority-based scheduling system allows administrators to define the importance of each training job and allocate GPU resources dynamically based on those priorities. NVIDIA's infrastructure solutions, such as those integrated with Kubernetes and the NVIDIA GPU Operator, support priority-based scheduling through features like resource quotas and preemption. This ensures that high-priority models receive more GPU resources (e.g., additional GPUs or exclusive access) and complete faster, while lower-priority tasks utilize remaining resources.
In contrast, a first-come, first-served (FCFS) policy (Option B) does not account for workload priority, potentially delaying critical jobs if less important ones occupy resources first. Random assignment (Option C) is inefficient and unpredictable, leading to resource contention and suboptimal performance. Assigning equal resources to all models (Option D) ignores the varying computational needs of different models, resulting in underutilization for some and bottlenecks for others. NVIDIA's Multi-Instance GPU (MIG) technology and job schedulers like Slurm or Kubernetes with NVIDIA GPU support further enhance this strategy by enabling fine-grained resource allocation tailored to workload demands, ensuring efficiency and fairness.

NEW QUESTION # 18
An autonomous vehicle company is developing a self-driving car that must detect and classify objects such as pedestrians, other vehicles, and traffic signs in real-time. The system needs to make split-second decisions based on complex visual data. Which approach should the company prioritize to effectively address this challenge?
  • A. Use a rule-based AI system to classify objects based on predefined visual characteristics.
  • B. Implement a deep learning model with convolutional neural networks (CNNs) to process and classify visual data.
  • C. Apply a linear regression model to predict the position of objects based on camera inputs.
  • D. Develop an unsupervised learning algorithm to cluster visual data and classify objects based on similarity.
Answer: B
Explanation:
Real-time object detection and classification in autonomous vehicles require processing complex visual data (e.g., camera feeds) with high accuracy and minimal latency. Deep learning models with convolutional neural networks (CNNs) are the industry standard for this task, excelling at feature extraction and pattern recognition in images. NVIDIA's automotive solutions, like DRIVE AGX and TensorRT, optimize CNNs for real-time inference on GPUs, enabling split-second decisions critical for safety. For example, CNN-based models like YOLO or SSD, accelerated by NVIDIA GPUs, can detect and classify pedestrians, vehicles, and signs efficiently.
Unsupervised learning (Option A) is unsuitable for precise classification without labeled training data, which is essential for this use case. Linear regression (Option B) is too simplistic for multidimensional visual data, lacking the ability to handle complex patterns. Rule-based systems (Option C) are rigid and struggle with the variability of real-world scenarios, unlike adaptable CNNs. NVIDIA's focus on deep learning for autonomous driving underscores Option D as the prioritized approach.

NEW QUESTION # 19
......
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