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NVIDIA NCP-AIN Exam - Topic 1 Question 7 Discussion

[AI Network Architecture]In an AI cluster using NVIDIA GPUs, which configuration parameter in the NicClusterPolicy custom resource is crucial for enabling high-speed GPU-to-GPU communication across nodes?
A) RDMA Shared Device Plugin
B) Secondary Network
C) OFED Driver
D) NV IPAM

NVIDIA NCP-AIN Exam - Topic 1 Question 7 Discussion

Actual exam question for NVIDIA's NCP-AIN exam
Question #: 7
Topic #: 1
[All NCP-AIN Questions]

[AI Network Architecture]

In an AI cluster using NVIDIA GPUs, which configuration parameter in the NicClusterPolicy custom resource is crucial for enabling high-speed GPU-to-GPU communication across nodes?

Show Suggested Answer Hide Answer
Suggested Answer: A

The RDMA Shared Device Plugin is a critical component in the NicClusterPolicy custom resource for enabling Remote Direct Memory Access (RDMA) capabilities in Kubernetes clusters. RDMA allows for high-throughput, low-latency networking, which is essential for efficient GPU-to-GPU communication across nodes in AI workloads. By deploying the RDMA Shared Device Plugin, the cluster can leverage RDMA-enabled network interfaces, facilitating direct memory access between GPUs without involving the CPU, thus optimizing performance.

Reference Extracts from NVIDIA Documentation:

'RDMA Shared Device Plugin: Deploy RDMA Shared device plugin. This plugin enables RDMA capabilities in the Kubernetes cluster, allowing high-speed GPU-to-GPU communication across nodes.'

'The RDMA Shared Device Plugin is responsible for advertising RDMA-capable network interfaces to Kubernetes, enabling pods to utilize RDMA for high-performance networking.'


by Aileen at Jul 04, 2025, 05:03 AM

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Valentine
10 months ago
Secondary Network can also play a role, but RDMA is crucial!
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Emeline
10 months ago
Wait, are you sure about that? Sounds too simple.
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Micheline
10 months ago
I thought it was the OFED Driver?
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Erick
10 months ago
Totally agree, RDMA is key for fast communication!
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Denae
10 months ago
It's definitely the RDMA Shared Device Plugin.
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Ashton
11 months ago
I feel like NV IPAM is more about IP address management, so it might not be the answer we’re looking for.
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Virgie
11 months ago
I practiced a similar question where the OFED Driver was highlighted for performance, but I can’t recall if it’s the same here.
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Samuel
11 months ago
I’m not entirely sure, but I remember something about the Secondary Network being important for data transfer.
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Winfred
11 months ago
I think the RDMA Shared Device Plugin might be the right choice since it’s often mentioned in relation to high-speed communication.
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Tyisha
11 months ago
I'm a bit confused by the terminology in this question. Can someone explain what the NicClusterPolicy custom resource is and how it relates to GPU-to-GPU communication?
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Thora
12 months ago
Okay, I think the key here is enabling high-speed GPU-to-GPU communication across nodes. Based on that, the RDMA Shared Device Plugin seems like the most relevant option.
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Leoma
12 months ago
Hmm, this one seems tricky. I'm not too familiar with the NicClusterPolicy custom resource, so I'll need to review the relevant documentation before answering.
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Alisha
1 year ago
I'm pretty sure the answer is Secondary Network, but I'll double-check the details just to be sure.
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Marvel
1 year ago
Hmm, NV IPAM, eh? Sounds like something straight out of a sci-fi movie. I bet it can make my GPUs do the moonwalk while they're at it.
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Glory
1 year ago
C'mon, OFED Driver? That's so last season. NV IPAM is where it's at. Gotta keep those GPUs talking the latest lingo, you know?
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Casie
1 year ago
RDMA Shared Device Plugin, huh? Sounds like a real party trick. I bet that's the one that can make my GPU's dance a tango.
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Billye
1 year ago
A) RDMA Shared Device Plugin
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Osvaldo
1 year ago
I believe D) NV IPAM is the key for enabling GPU-to-GPU communication.
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Shantay
1 year ago
I'm not sure, but I think C) OFED Driver could also be important for GPU communication.
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Gwenn
1 year ago
I agree with Derick, RDMA is crucial for high-speed GPU communication.
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Derick
1 year ago
I think the answer is A) RDMA Shared Device Plugin.
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Brittni
1 year ago
Option B looks like the way to go. Who doesn't love a good secondary network, am I right? Gotta keep those GPUs connected at the speed of light!
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Artie
1 year ago
C) OFED Driver
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Mitsue
1 year ago
B) Secondary Network
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Nelida
1 year ago
A) RDMA Shared Device Plugin
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