Online Access Free EMC.NCP-AII.v2026-01-14.q144 Practice Test (Page 14)

NCP-AII Exam Question 61

You are setting up a new AI inference server in a colocation facility. The server will be connected to a 100GbE switch managed by the facility. You have the option to use either a single-mode fiber connection with an LR4 transceiver or a multi-mode fiber connection with an SR4 transceiver. The distance between your server and the switch is approximately 75 meters. Considering cost, signal quality, and future scalability, which option is MOST suitable?

A.LR4 transceiver with single-mode fiber, as it provides better signal quality over distance.

B.SR4 transceiver with multi-mode fiber, as it is typically more cost-effective for shorter distances.

C.LR4 transceiver with single-mode fiber, as it provides better power efficiency.

D.Either option is equally suitable; the choice is arbitrary.

E.AOC cable, as it provides better future scalabilty than any other type of connection

NCP-AII Exam Question 62

You've installed the NGC CLI and successfully configured your API key However, when running 'ngc registry model download' , you receive a 'Permission denied' error despite having valid credentials. What are possible causes and solutions?

A.The user account running the 'ngc' command does not have write permissions to the destination directory specified for the download.

B.Your API key lacks the necessary permissions to download models from the NGC registry. Contact your NVIDIA organization administrator.

C.The model you are trying to download requires acceptance of a separate end-user license agreement (EULA) that you haven't yet accepted.

D.There is an issue with network connectivity or firewall rules preventing access to the NGC registry. Verify network connectivity and firewall rules.

E.Models can only be downloaded to specific location.

NCP-AII Exam Question 63

You are troubleshooting a network performance issue in your NVIDIA Spectrum-X based A1 cluster. You suspect that the Equal-Cost Multi-Path (ECMP) hashing algorithm is not distributing traffic evenly across available paths, leading to congestion on some links. Which of the following methods would be MOST effective for verifying and addressing this issue?

A.Use 'ping' or 'traceroute' to analyze the paths taken by packets between the affected nodes. If they always take the same path, ECMP is likely not working correctly.

B.Use switch telemetry tools (e.g., NVIDIA What's Up Gold, Mellanox NEO, or similar) to monitor link utilization across all available paths between the nodes. Look for significant imbalances in traffic volume.

C.Restart the switches to force the ECMP hashing algorithm to recalculate paths.

D.Disable ECMP entirely and rely solely on static routing.

E.Reduce the TCP window size.

NCP-AII Exam Question 64

You are troubleshooting a performance issue on an Intel Xeon server with NVIDIAAI 00 GPUs. Your application involves frequent data transfers between CPU memory and GPU memory. You suspect that the PCle bus is a bottleneck. How can you verify and mitigate this bottleneck?

A.Use 'nvidia-smi' to monitor the PCle bandwidth utilization of the GPUs. If it's consistently high (near the theoretical limit), the PCle bus is likely a bottleneck. Mitigate by reducing the frequency of CPU-GPU data transfers, using pinned (page-locked) memory, and ensuring that the GPUs are connected to PCle slots with sufficient bandwidth.

B.Check the CPU utilization. If it's low, the PCle bus is likely the bottleneck. Mitigate by increasing the number of CPU cores assigned to the data transfer tasks.

C.Examine the system logs for PCle errors. If there are many errors, the PCle bus is likely unstable. Mitigate by reseating the GPUs and checking the power supply.

D.Monitor the GPU temperature. If it's high, the PCle bus is likely overheating. Mitigate by improving the server's cooling.

E.Use 'nvprof to profile the application and identify the exact lines of code that are causing the high PCle traffic. Optimize those sections of code to reduce data transfers.

NCP-AII Exam Question 65

You need to configure persistent network settings on your BlueField SmartNIC after deploying BlueField OS. Which file should you modify to ensure these settings are applied after each reboot, assuming a Debian-based distribution?

A./etc/network/interfaces

B./etc/resolv.conf

C./etc/hostname

D./etc/sysconfig/network-scripts/ifcfg-

E./etc/dhcp/dhclient.conf

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NCP-AII Exam Question 61

NCP-AII Exam Question 62

NCP-AII Exam Question 63

NCP-AII Exam Question 64

NCP-AII Exam Question 65

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