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NCA-AIIO AI Infrastructure Operations Associate (NCA-AIIO) - Nvidia Exam Questions

Last updated on July 22, 2026

97% Exam Compliance
44 Total Questions
1
Question
A customer is evaluating an AI cluster for training and is questioning why they should use a large number of nodes. Why would multi-node training be advantageous?
Options
A The model is too large to fit into GPU memory.
B The model is being used by a large number of users.
C The model is being used for large-scale inference workloads.
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2
Question
What is an advantage of InfiniBand over Ethernet?
Options
A InfiniBand always provides higher bandwidth than Ethernet.
B InfiniBand supports RDMA while Ethernet does not.
C InfiniBand offers lower latency than Ethernet.
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3
Question
What is the importance of a job scheduler in an AI resource-constrained cluster?
Options
A It allocates resources based on which job requests came first.
B It ensures that all jobs in the cluster are executed simultaneously.
C It increases the number of resources available in the cluster.
D It allocates resources efficiently and optimizes job execution.
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4
Question
The foundation of the NVIDIA software stack is the DGX OS. Which of the following Linux distributions is DGX OS built upon?
Options
A Ubuntu
B Red Hat
C CentOS
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5
Question
Which architecture is the core concept behind large language models?
Options
A BERT Large model
B State space model
C Transformer model
D Attention model
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