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| Certification Vendor: | NVIDIA |
|---|---|
| Exam Name: | NVIDIA-Certified Professional AI Networking |
| Exam Number: | NCP-AIN |
| Exam Format: | Multiple-choice, Multiple-select |
| Certificate Validity Period: | 2 years |
| Available Languages: | English |
| Related Certifications: | NVIDIA Certified Professional AI Networking |
| Exam Duration: | 90 minutes |
| Passing Score: | Not publicly specified by NVIDIA |
| Exam Price: | USD 235 |
| Real Exam Qty: | 60 |
| Sample Questions: | NVIDIA NCP-AIN Sample Questions |
| Exam Way: | Available both online (proctored) and at Pearson VUE test centers |
| Pre Condition: | Candidates should have experience with networking fundamentals and AI/ML infrastructure. Recommended to have completed NVIDIA AI Networking training courses. |
| Official Syllabus URL: | https://www.nvidia.com/en-us/training/certification/ncp-ain/ |
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NEW QUESTION # 56
You suspect there might be connectivity issues in your InfiniBand fabric and need to perform a comprehensive check. Which tool should you use to run a full fabric diagnostic and generate a report?
Answer: B
Explanation:
The ibdiagnet utility is a fundamental tool for InfiniBand fabric discovery, error detection, and diagnostics. It provides comprehensive reports on the fabric's health, including error reporting, switch and Host Channel Adapter (HCA) configuration dumps, various counters reported by the switches and HCAs, and parameters of devices such as switch fans, power supply units, cables, and PCI lanes. Additionally, ibdiagnet performs validation for Unicast Routing, Adaptive Routing, and Multicast Routing to ensure correctness and a credit-loop-free routing environment.
NEW QUESTION # 57
What does RDMA (Remote Direct Memory Access) technology in NVIDIA's network products help achieve?
Answer: A
Explanation:
RDMA enables direct memory access from one computer to another without involving the CPU, reducing overhead, lowering latency, and improving the speed of data transfers, which is especially important for high-performance AI applications.
NEW QUESTION # 58
When upgrading Cumulus Linux to a new version, which configuration files should be migrated from the old installation?
Pick the 2 correct responses below.
Answer: B,D
Explanation:
Before upgrading Cumulus Linux, it's essential to back up configuration files to a different server. The /etc directory is the primary location for all configuration data in Cumulus Linux. Specifically, the following files and directories should be backed up:
* /etc/frr/ - Routing application (responsible for BGP and OSPF)
* /etc/hostname - Configuration file for the hostname of the switch
* /etc/network/ - Network configuration files, most notably /etc/network/interfaces and /etc/network
/interfaces.d/
* /etc/cumulus/acl - Access control list configurations
Cumulus Linux is a network operating system used on NVIDIA Spectrum switches, including those in the Spectrum-X platform, to provide a Linux-based environment forEthernet networking in AI and HPC data centers. When upgrading Cumulus Linux to a new version, it's critical to migrate specific configuration files to preserve network settings and ensure continuity. The question asks for the two configuration file locations that should be migrated from the old installation during an upgrade.
According to NVIDIA's official Cumulus Linux documentation, the key directories containing configuration files that should be migrated during an upgrade are /etc/cumulus/acl (for access control list configurations) and /etc/network (for network interface configurations). These directories store critical network settings that define the switch's behavior, such as ACL rules and interface settings, which must be preserved to maintain network functionality after the upgrade.
Exact Extract from NVIDIA Documentation:
"When upgrading Cumulus Linux, you must back up and migrate specific configuration files to ensure continuity of network settings. The following directories should be included in the backup:
* /etc/cumulus/acl: Contains access control list (ACL) configuration files that define packet filtering and security policies.
* /etc/network: Contains network interface configuration files, such as interfaces and ifupdown2 settings, which define the network interfaces and their properties.Back up these directories before upgrading and restore them after the new version is installed to maintain consistent network behavior."-NVIDIA Cumulus Linux Upgrade Guide This extract confirms that options A and B are the correct answers, as /etc/cumulus/acl and /etc/network contain essential configuration files that must be migrated during a Cumulus Linux upgrade. These files ensure that ACL policies and network interface settings are preserved, which are critical for Spectrum-X configurations in AI networking environments.
Reference:Upgrading Cumulus Linux - NVIDIA Docs
NEW QUESTION # 59
In which mode of the BlueField DPU does the ARM system on the DPU control the NIC data path, but allow access to the DPU OS from the host?
Answer: C
Explanation:
InDPU Mode, theARM cores on BlueFieldown theNIC data path, while still allowing thehost system to access the DPU OS (via OOB or virtio).
From NVIDIA BlueField Documentation:
"In DPU Mode, the data path is offloaded to the BlueField Arm cores, enabling advanced security and networking functions, while still allowing host access to the BlueField OS." This is different from:
* NIC Mode: Data path controlled by host, ARM cores inactive.
* Separated Host Mode: Complete isolation; host cannot access DPU OS.
* Restricted Mode: Limited host access to DPU OS, but without full offload capabilities.
Reference: NVIDIA BlueField DPU Architecture Guide - Operating Modes Section
NEW QUESTION # 60
What are two methods for accessing the operating system on a BlueField DPU? Pick the 2 correct responses below
Answer: B,C
Explanation:
Accessing the BlueField DPU Operating System (OS)is possible throughrshim, either over PCIe or USB, and via SSH through the OOB interface when in DPU mode.
NEW QUESTION # 61
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