NVIDIA NCA-AIIO Exam - Topic 1 Question 18 Discussion

Actual exam question for NVIDIA's NCA-AIIO exam

Question #: 18
Topic #: 1

How many Mellanox ConnectX-6 Single Port VPI cards are in a DGX A100 system?

B16

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Suggested Answer: A

The DGX A100 system includes eight Mellanox ConnectX-6 Single Port VPI cards, providing high-speed connectivity (up to 200 Gb/s) for clustering and data transfer. These cards support versatile protocols (InfiniBand or Ethernet), enabling robust multi-node AI workloads, with eight being the standard configuration for this system.

(Reference: NVIDIA DGX A100 System Documentation, Networking Section)

by Sherita at May 01, 2026, 12:36 PM

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Joni

13 days ago

I’m leaning towards 4, but I really can’t recall the specifics. I should have reviewed the hardware specs more thoroughly.

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Yvonne

18 days ago

I feel like I practiced a question similar to this, and I want to say it was 8 cards, but I could be mixing it up with another system.

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Bette

23 days ago

I think I remember something about the DGX A100 having multiple ports, but I’m not sure how many ConnectX-6 cards are actually in it.

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