NVIDIA Exam NCP-AIN Topic 3 Question 8 Discussion

Actual exam question for NVIDIA's NCP-AIN exam

Question #: 8
Topic #: 3

[All NCP-AIN Questions]

[BlueField DPU Access Methods]

What are two methods for accessing the operating system on a BlueField DPU?

Pick the 2 correct responses below

AVia the networking interfaces (data ports) in NIC mode

BVia the rshim interface over the PCIe bus

CVia the Redfish API

DVia rshim over a USB connection on the host

Show Suggested Answer

Suggested Answer: B, D

Accessing the BlueField DPU Operating System (OS) is possible through rshim, either over PCIe or USB, and via SSH through the OOB interface when in DPU mode.

From the NVIDIA BlueField Software Documentation:

'You can access the BlueField OS through the rshim interface. The rshim module enables host-to-DPU communication either via PCIe (default) or USB.'

B . rshim over PCIe: Default when BlueField is installed in a host.

D . rshim over USB: Useful for provisioning or systems without PCIe drivers.

Incorrect Options:

A (NIC mode): BlueField acts as a transparent NIC; OS access is not available to the host.

C (Redfish): Redfish is for out-of-band management, not direct OS-level access.

by Willard at Jul 13, 2025, 05:31 AM

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Kris

6 days ago

B and C are definitely the correct answers. The rshim interface and Redfish API are the go-to methods for accessing the OS on a BlueField DPU.

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Tamala

7 days ago

I think the correct answers are A and B.

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