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NCP-AII Practice Questions

NVIDIA AI Infrastructure

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Total Questions : 71

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Question # 11

Refer to the output:

~ $ sudo nvsm show healthinfo

—Timestamp: Sat Dec 16 16:26:32 2017 -0800

Version: 17.12-5

Checks—BIOS Revision [5.11].........................

DGX Serial Number [YSY72800016)..................

Verify installed DIMM memory sticks........................Healthy

...[output truncated)

Verify Ethernet controllers...........................Healthy

Verify installed GPU's..............................Unhealthy

Checking output of 'lspci' for expected GPU's

Missing GPU at PCI address '07:00.0'

Verify installed InfiniBand controllers....................Healthy

Verify PCIe switches..................................Healthy

...[output truncated)

What insights can a system administrator gain regarding the DGX system's health?

Options:

A.  

A GPU tray upgrade failed.

B.  

A GPU is missing on the DGX system.

C.  

A GPU driver upgrade has failed.

D.  

The system has passed the hardware health check successfully.

Discussion 0
Question # 12

An engineer needs to validate NVLink Switch functionality on a DGX H100 system with 8 GPUs. Which NCCL command verifies intra-node NVLink bandwidth?

Options:

A.  

broadcast_perf -b 8 -e 16G -f 2 -g 8 without split configuration

B.  

all_reduce_perf -b 8 -e 16G -f 2 -g 4 with NCCL_TESTS_SPLIT="MOD 2"

C.  

all_reduce_perf -b 8 -e 16G -f 2 -g 1 repeated 8 times

D.  

all_reduce_perf -b 8 -e 16G -f 2 -g 8 with NCCL_TESTS_SPLIT="OR 0x7"

Discussion 0
Question # 13

A leaf switch shows "FW Version Mismatch" alerts for transceivers after cluster expansion. Which tool validates transceiver firmware against expected versions?

Options:

A.  

flint

B.  

iblinkinfo

C.  

mlxconfig

D.  

ethtool

Discussion 0
Question # 14

An administrator installs NVIDIA GPU drivers on a DGX H100 system with UEFI Secure Boot enabled. After reboot, the drivers fail to load. What is the first action to resolve this issue?

Options:

A.  

Disable Secure Boot permanently in BIOS/UEFI settings.

B.  

Delete /etc/X11/xorg.conf to force driver reconfiguration.

C.  

Enroll the Machine Owner Key (MOK) during system reboot and enter the recorded password.

D.  

Reinstall drivers using apt-get install nvidia-driver-550 without rebooting.

Discussion 0
Question # 15

You are a network administrator responsible for configuring an East-West (E/W) Spectrum-X fabric using SuperNI

C.  

The Bluefield-3 devices in your network should be set to NIC mode with RoCE enabled to optimize data flow between servers. You have access to the Spectrum-X management tools and the necessary documentation. You need to use specific configuration commands to achieve this setup. Which of the following steps and commands are necessary to configure the Bluefield-3 devices in NIC mode for the E/W Spectrum-X fabric using SuperNIC? (Pick the 2 correct responses below)

Options:

A.  

Use the command sudo mlxconfig -d /dev/mst/ set LINK_TYPE_P1=2 to enable Ethernet on the Bluefield-3 devices.

B.  

Use the command sudo mlxconfig -d /dev/mst/ set DISABLE_SPECTRUM_X=1 to reduce overhead.

C.  

Use the command sudo mlxconfig -d /dev/mst/ set INTERNAL_CPU_OFFLOAD_ENGINE=1 to configure the SuperNIC to operate in NIC mode.

D.  

Use the command sudo mlxconfig -d /dev/mst/ set DPU_MODE=1 to set up the Bluefield-3 devices in DPU mode.

Discussion 0
Question # 16

A system administrator needs to install a GPU/DPU in a server. The server has a free PCI-e slot, there are enough free PCI-e lanes, and there is enough room for the card. Which procedure should be followed?

Options:

A.  

Ensure the server has enough power. Verify compatibility of cables with server's platform. Make sure the server is down to remove cables safely. Do not wear an ESD bracelet.

B.  

Ensure the server has enough power. Make sure the server is down to remove cables safely. Wear an ESD bracelet.

C.  

Ensure the server has enough power. Make sure the server is up and running with attached cables. Wear an ESD bracelet.

D.  

Ensure the server has enough power. Verify compatibility of cables with server's platform. Make sure the server is down to remove cables safely. Wear an ESD bracelet.

Discussion 0
Question # 17

A media company is developing an AI platform for video content analysis that requires storing and processing large volumes of unstructured video data. The platform must support high throughput for data ingestion and provide efficient access for real-time analytics. Given these requirements, which storage strategy should the company implement?

Options:

A.  

Tape storage for its cost-effectiveness and archival capabilities

B.  

Block storage for low latency and high performance

C.  

File storage for hierarchical organization and easy navigation

D.  

Object storage for scalability and metadata management

Discussion 0
Question # 18

A team is installing the NVIDIA Run:ai control plane on a Kubernetes cluster. Which two (2) options are most critical to validate before proceeding? (Pick the 2 correct responses below)

Options:

A.  

Helm is installed on the installer machine.

B.  

Ensure Kubernetes is running on the cluster.

C.  

All cluster nodes have NVIDIA GPUs installed.

D.  

NTP is disabled to simplify time synchronization.

Discussion 0
Question # 19

A company has a registered NGC account and their server has NGC CLI installed. What step should be taken first to gain access to NGC?

Options:

A.  

ngc config get

B.  

ngc init

C.  

ngc config set

D.  

ngc config update

Discussion 0
Question # 20

A systems administrator is preparing a new DGX server for deployment. What is the most secure approach to configuring the BMC port during initial setup?

Options:

A.  

Enable remote access to the BMC over the internet using the default admin credentials for initial troubleshooting.

B.  

Connect the BMC port directly to the production network and retain default admin credentials for convenience.

C.  

Leave the BMC port disconnected until after the operating system is fully configured and in production.

D.  

Connect the BMC port to a dedicated and firewalled network and change the default admin credentials.

Discussion 0
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