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NVIDIA NCP-AIN Exam - Topic 2 Question 24 Discussion

[InfiniBand Configuration]In order to configure RoCE on a Cumulus switch, which command should be used?
A) nv set qos roce enable on
B) nv set roce qos enable on
C) nv roce qos enable on
D) nv qos roce enable on

NVIDIA NCP-AIN Exam - Topic 2 Question 24 Discussion

Actual exam question for NVIDIA's NCP-AIN exam
Question #: 24
Topic #: 2
[All NCP-AIN Questions]

[InfiniBand Configuration]

In order to configure RoCE on a Cumulus switch, which command should be used?

Show Suggested Answer Hide Answer
Suggested Answer: A

To enable RDMA over Converged Ethernet (RoCE) on a Cumulus switch, the correct command is:

nv set qos roce enable on

This command configures the Quality of Service (QoS) settings to support RoCE, ensuring that the necessary parameters for lossless Ethernet are applied.


by Emily at Aug 12, 2026, 11:30 PM

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Adrianna
4 days ago
I thought it was A) nv set qos roce enable on?
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Misty
9 days ago
It's definitely B) nv set roce qos enable on.
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Lucy
14 days ago
I doubt any of these will work without the right firmware.
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Terrilyn
19 days ago
Wait, is it really that simple?
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Dannette
24 days ago
I’m pretty sure it’s D) nv qos roce enable on.
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Lashandra
30 days ago
I thought it was A) nv set qos roce enable on?
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Ernest
1 month ago
It's definitely B) nv set roce qos enable on.
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Abel
1 month ago
I believe the command is related to enabling QoS for RoCE, but I can't remember if it's "nv set" or just "nv."
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Carma
2 months ago
I’m a bit confused; I thought "roce" had to come before "qos" in the command, but I can't recall the exact syntax.
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Luz
2 months ago
I practiced a similar question last week, and I feel like the command started with "nv set."
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Mollie
2 months ago
I think I remember something about enabling RoCE with a command that has "qos" in it, but I'm not sure which one.
upvoted 0 times
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