NCA-AIIO Question #26: Real Exam Question with Answer & Explanation

The correct answer is A: 3. An AI cluster typically employs three distinct network fabrics: one for management and client traffic (e.g., Ethernet), one for storage I/O (e.g., accessing datasets), and one for low-latency RDMA interconnects (e.g., InfiniBand or RoCE) between compute nodes for tasks like gradi

NVIDIA Infrastructure and Operations

Question

How many distinct network fabrics are in an AI cluster?

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Explanation

An AI cluster typically employs three distinct network fabrics: one for management and client traffic (e.g., Ethernet), one for storage I/O (e.g., accessing datasets), and one for low-latency RDMA interconnects (e.g., InfiniBand or RoCE) between compute nodes for tasks like gradient synchronization. This separation optimizes performance, scalability, and reliability, distinguishing AI clusters from simpler setups.

Topics

#AI cluster architecture#Network fabrics#NVIDIA Infrastructure#Networking components

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