Free Oct-2026 NCP-AIN Certification Sample Questions certification Exam [Q40-Q61]

admin NCP-AIN NVIDIA October 23, 2026

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Free Oct-2026 NCP-AIN Certification Sample Questions certification Exam

Certification Topics of NCP-AIN Exam PDF Recently Updated Questions

Q40. You are troubleshooting an InfiniBand network issue and need to check the status of the InfiniBand interfaces. Which command should you use to display the state, physical state, and link layer of InfiniBand interfaces?

ibv_devices -c mlx5_0

cat /proc/net/ib/device

sudo ibnodes -C mlx5_0

ibstat -d mlx5_X

Q41. You are tasked with configuring multi-tenancy using partition key (PKey) for a high-performance storage fabric running on InfiniBand. Each tenant’s GPU server is allowed to access the shared storage system but cannot communicate with another tenant’s GPU server. Which of the following partition key membership configurations would you implement to set up multi- tenancy in this environment?

Assign full membership to both GPU servers and storage system.

Assign limited membership to both GPU servers and storage system.

Assign limited membership PKey to the shared storage system and full membership PKey to each tenant’s GPU servers.

Assign full membership PKey to the shared storage system and limited membership PKey to each tenant’s GPU servers.

Q42. What is the primary purpose of NVIDIA’s AI networking solutions?

To provide cloud storage solutions

To accelerate networking and data processing for AI/ML workloads

To improve internet connectivity speed

To provide graphics rendering for video games

Q43. When upgrading Cumulus Linux to a new version, which configuration files should be migrated from the old installation? Pick the 2 correct responses below.

All files in /etc/cumulus/acl

All files in /etc/network

All files in /etc

All files in /etc/mix

Q44. Which of the following commands would you use to assign the IP address 20.11.12.13 to the management interface in SONiC?

nv set interface mgmt ip 20.11.12.13 20.11.12.254

interface mgmt0 vrf mgmt ip address 20.11.12.13 20.11.12.254

sudo config interface ip add eth0 20.11.12.13/24 20.11.12.254

config ip add etho 20.11.12.13/24 20.11.12.254

Q45. Which of the following scenarios would the Network Traffic Map in UFM be least useful for troubleshooting?

When investigating reports of network congestion or latency problems.

After making changes to network configuration.

When troubleshooting a single node’s hardware failure.

When optimizing job placement and workload distribution across the cluster.

Q46. You’re troubleshooting a Spectrum-X network and notice that the System Status LED on a switch is blinking for more than 5 minutes. What is the most likely cause of this issue?

The power supply unit is failing

The switch is overheating

The Onyx software did not boot properly

Q47. You are concerned about potential security threats and unexpected downtime in your InfiniBand data center. Which UFM platform uses analytics to detect security threats, operational issues, and predict network failures in InfiniBand data centers?

Host Agent

Enterprise Platform

Cyber-AI Platform

Telemetry Platform

Q48. In order to configure RoCE on a Cumulus switch, which command should be used?

nv set qos roce enable on

nv set roce qos enable on

nv roce qos enable on

nv qos roce enable on

Q49. A leading AI research center is upgrading its infrastructure to support large language model projects.
The team is debating whether to implement a dedicated storage fabric for their AI workloads.
Which of the following best explains why a dedicated storage fabric is crucial for this AI network architecture?
Pick the 2 correct responses below

To enable parallel data access and improve storage performance for distributed AI workloads.

To ensure data security and isolation from other network traffic.

To provide high-bandwidth, low-latency data access that prevents I/O bottlenecks during AI model training.

To reduce the overall cost of the storage infrastructure.

Q50. You are optimizing a multi-node AI training cluster using InfiniBand networking and NVIDIA GPUs. You need to implement efficient collective communication operations across the nodes.
Which feature of NVIDIA Collective Communications Library (NCCL) allows for optimized performance in multi-subnet InfiniBand environments?

Lazy connection establishment

GPU Direct RDMA

Static plugin linking

Support for IB Router

Q51. When upgrading DOCA on a BlueField DPU, what command should first be run on the host?

sudo apt-get autoremove

/usr/sbin/ofed_uninstall.sh -force

sudo apt-get upgrade doca

sudo apt-get install doca

Q52. You are troubleshooting InfiniBand connectivity issues in a cluster managed by the NVIDIA Network Operator. You need to verify the status of the InfiniBand interfaces. Which command should you use to check the state and link layer of InfiniBand interfaces on a node?

rdma show devices

ibstat -d mlx5_X

ifconfig ib0

ip link show dev ib0

Q53. What is the benefit of using NVIDIA’s GPU-accelerated networking in AI inference?

Reducing the amount of data storage required

Speeding up the response time and improving throughput in real-time AI applications

Reducing the cost of AI hardware

Encrypting AI data for better security

Q54. What are the prerequisites for performing Flow Analysis with NetQ?

Cumulus 4.x and later / Spectrum-2 and later / LCM enabled

Cumulus 5.x and later / Spectrum-3 and later / On-premises deployment

Cumulus 5.x and later / Spectrum-2 and later / On-premises deployment

Cumulus 5.x and later / Spectrum-2 and later / LCM enabled

Q55. Which command should be used to configure RoCE on a Cumulus switch?

nv set roce qos enable on

nv set qos roce enable on

nv qos roce enable on

nv roce qos enable on

Q56. Which service on Cumulus switches can monitor layer 1, layer 2, layer 3, tunnel, buffer, and ACL related issues?

WJH

ONIE

NCLU

BGP

Q57. A cloud service provider is deploying the NVIDIA Spectrum-X Ethernet platform in a multi-tenant environment. To ensure the security and isolation of each tenant’s AI workload, the provider wants to implement a feature that prevents unauthorized access to the network.
Which of the following features of the Spectrum-X platform should the provider implement?

Congestion Control

Streaming Telemetry

Adaptive Routing

Traffic Isolation

Q58. What is the purpose of WJH (What Just Happened)?

Provide contextual information regarding dropped packets in order to aid debugging.

Send notifications of failed login attempts to a pre-defined Slack channel.

Identify potential cyberattacks or unusual traffic patterns across the cluster.

Collate operating system logs and diagnose system crashes.

Q59. You are using NVIDIA Air to simulate a Spectrum-X network for AI workloads. You want to ensure that your network configurations are optimal before deployment. Which NVIDIA tool can be integrated with Air to validate network configurations in the digital twin environment?

Spectrum-X Manager

NetQ

DOCA

GPU Cloud

Q60. A high-performance InfiniBand fabric requires a routing engine that maximizes throughput and network utilization while reducing congestion. Which option below is the best routing engine for InfiniBand?

Adaptive Routing

Random Routing

Shortest Path Routing

Round Robin Routing

Q61. How is congestion evaluated in an NVIDIA Spectrum-X system?

By assessing the physical distance between network devices.

By monitoring the CPU and power usage of network devices.

By measuring the number of connected devices in the network.

By analyzing the egress queue loads ensuring all ports are well-balanced.