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NVIDIA NCP-AIN Exam - Topic 1 Question 21 Discussion

[Spectrum-X Optimization]Your organization is planning to utilize Ethernet for an upcoming AI project. Spectrum-X is the selected platform for this deployment, and Adaptive Routing is a key feature.What are the requirements included in the Spectrum-X RA for adaptive routing?
B) SN5600, BlueField-3 SuperNIC, DDR, RoCE traffic
A) SN4700, BlueField-3 SuperNIC, DDR, RoCE traffic
C) SN5600, BlueField-3 SuperNIC, DDR, TCP traffic

NVIDIA NCP-AIN Exam - Topic 1 Question 21 Discussion

Actual exam question for NVIDIA's NCP-AIN exam
Question #: 21
Topic #: 1
[All NCP-AIN Questions]

[Spectrum-X Optimization]

Your organization is planning to utilize Ethernet for an upcoming AI project. Spectrum-X is the selected platform for this deployment, and Adaptive Routing is a key feature.

What are the requirements included in the Spectrum-X RA for adaptive routing?

Show Suggested Answer Hide Answer
Suggested Answer: B

The NVIDIA Spectrum-X Reference Architecture (RA) 1.0.1 is designed for Ethernet AI cloud deployments and includes the SN5600 Spectrum-4 switches and BlueField-3 SuperNICs. This architecture supports adaptive routing and DOCA programmable congestion control (PCC) for lossless RoCE traffic, optimizing performance for AI workloads.

The SN5600 switch offers 64 ports of 800GbE in a dense 2U form factor, providing high throughput and low latency essential for AI applications.


by Cristal at Jun 21, 2026, 11:19 PM

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Tambra
1 month ago
Option C seems off. TCP traffic isn't ideal for AI projects.
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Malcom
2 months ago
I prefer option B. SN5600 has better performance metrics.
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Zona
2 months ago
I think option A is the best choice. SN4700 is reliable.
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Meaghan
2 months ago
Really? I thought SN5600 was the standard for this kind of setup.
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Janessa
2 months ago
Definitely A, RoCE traffic is a must for AI.
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Lacey
2 months ago
Wait, why is TCP traffic even an option? Seems off.
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Teresita
3 months ago
I think B is the right choice, looks solid.
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Jacob
3 months ago
Gotta go with option A for the SN4700!
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Carole
3 months ago
I’m leaning towards option A, but I can't recall if the SN4700 is the right choice for this kind of deployment.
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Jerry
3 months ago
I’m a bit confused about the BlueField-3 SuperNIC part. Was it specifically tied to one of the options, or could it be in all of them?
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Lewis
3 months ago
I remember practicing a similar question, and I feel like RoCE traffic was definitely mentioned as a requirement.
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Markus
3 months ago
I think the requirements for adaptive routing might include the SN5600, but I'm not entirely sure if it’s the right model.
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