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.

A priority-based scheduling system considering GPU availability and task parallelization best balances time- sensitive tasks and GPU utilization. It prioritizes urgent jobs while optimizing resource allocation (e.g., via Kubernetes with NVIDIA GPU Operator). Option A (FCFS) ignores priority. Option B (longest first) delays critical tasks. Option C (round-robin) neglects urgency and parallelization. NVIDIA's orchestration docs support priority-based scheduling.

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.

Performance Per Watt is the most effective GPU monitoring metric for assessing and optimizing power efficiency in an AI data center. This metric measures the computational output (e.g., FLOPS) per unit of power consumed (watts), directly indicating how efficiently the GPU is using energy. Inefficient power usage can drive up operational costs, especially in large-scale GPU clusters like those powered by NVIDIA DGX systems. By monitoring and optimizing Performance Per Watt, administrators can adjust workloads, clock speeds (e.g., via NVIDIA GPU Boost), or scheduling to maximize efficiency while maintaining performance, as recommended in NVIDIA's "Data Center GPU Manager (DCGM)" documentation.
Fan Speed (B) relates to cooling but does not directly measure power efficiency. GPU Memory Usage (C) tracks memory allocation, not energy consumption. GPU Core Utilization (D) shows workload distribution but lacks insight into power efficiency. NVIDIA's "DCGM User Guide" and "AI Infrastructure and Operations Fundamentals" emphasize Performance Per Watt for energy optimization.

NVIDIA DeepStream (C) is specifically designed for large-scale, real-time video analytics workloads. It provides a software development kit (SDK) that leverages NVIDIA GPUs to process multiple video streams simultaneously, enabling tasks like object detection, classification, and tracking with minimal latency.
DeepStream integrates with deep learning frameworks (e.g., TensorRT) and supports scalable deployment across distributed systems, making it ideal for a security system processing thousands of camera feeds.
* NVIDIA Clara Guardian(A) is focused on healthcare applications, such as smart hospitals and medical imaging, not general-purpose video analytics for security.
* NVIDIA Jetson Nano(B) is an edge computing platform for small-scale AI tasks, unsuitable for handling thousands of streams due to its limited processing power.
* NVIDIA RAPIDS(D) accelerates data analytics and machine learning, not real-time video processing.
DeepStream's ability to handle high-throughput video analytics with low latency makes it the best fit (C).