NVIDIA · NCP-AII
Validates expertise in deploying, configuring, and validating advanced NVIDIA AI infrastructure including compute platforms, networking, storage solutions, and cluster orchestration.
Practice Questions
1,046
≈ 16 practice exams
Duration
120 minutes
Passing Score
Not publicly disclosed
Difficulty
ProfessionalLast Updated
Jan 2025
Use this NCP-AII practice exam to prepare for NVIDIA-Certified Professional AI Infrastructure (NCP-AII) with realistic questions, detailed explanations, and focused study modes. The practice bank includes 1,046 questions for NVIDIA NCP-AII, so you can review the exam steadily instead of relying on one long cram session.
As you practice, pay extra attention to patterns in your missed answers. Start with short sessions to identify weak areas, then move into timed quizzes once your accuracy is consistent.
The explanations are especially useful when you want to connect exam wording to the responsibilities and scenarios described in the official certification guidance. Use the free preview first, then unlock the full question bank when you are ready to build a complete study routine.
The NVIDIA Certified Professional: AI Infrastructure (NCP-AII) is a professional-level credential that validates hands-on expertise in deploying, configuring, validating, and troubleshooting advanced NVIDIA AI infrastructure. The certification covers the full lifecycle of building a production-ready GPU cluster, including hardware bring-up of NVIDIA HGX systems, BMC and firmware configuration, InfiniBand and Ethernet networking topology, storage integration, and cluster orchestration using platforms such as Base Command Manager with Slurm, Enroot, and Pyxis. Candidates are expected to demonstrate proficiency with GPU-specific technologies including Multi-Instance GPU (MIG) for workload partitioning, BlueField DPU configuration for networking offloads and secure multi-tenancy, and NVIDIA NVLink/NVSwitch interconnects.
The certification also places significant emphasis on cluster verification and performance validation, requiring proficiency with tools such as HPL (High-Performance Linpack), NCCL (NVIDIA Collective Communications Library) tests, and ClusterKit. This distinguishes the NCP-AII from more conceptual credentials — it is explicitly designed to test the practical skills needed to stand up and certify an AI data center cluster from rack-level physical installation through software-stack validation and performance benchmarking.
The NCP-AII is designed for data center professionals who build and maintain GPU-accelerated infrastructure for AI workloads. Primary target roles include data center administrators, system administrators, infrastructure engineers, network engineers, and storage administrators who work directly with NVIDIA hardware. Solution architects and pre-sales engineers who need to validate hands-on knowledge of NVIDIA AI infrastructure deployments are also well-suited for this credential.
Candidates should already be working in a data center environment with direct exposure to NVIDIA compute platforms. This is not an entry-level credential — it targets practitioners with meaningful operational experience who are looking to formalize and validate their expertise in large-scale GPU cluster deployment and management.
NVIDIA recommends that candidates have two to three years of operational experience working in a data center with NVIDIA hardware solutions. Candidates should be capable of independently deploying all components of a data center infrastructure in support of AI workloads, including GPU servers, high-speed networking, and storage systems. There are no formal prerequisites or mandatory prior certifications required to register for the exam.
Familiarity with Linux system administration, networking fundamentals (InfiniBand and Ethernet), and container-based workload execution is strongly recommended. Candidates who lack hands-on experience may benefit from completing the associate-level NVIDIA Certified Associate: AI Infrastructure and Operations (NCA-AIIO) credential before attempting the NCP-AII, as it covers foundational concepts that the professional exam assumes as prerequisite knowledge.
The NCP-AII exam consists of approximately 70 questions and must be completed within a 120-minute time limit. The exam is delivered online via remote proctoring through the Certiverse platform, making it accessible without requiring travel to a testing center. Questions are primarily multiple-choice and scenario-based, testing practical knowledge of NVIDIA infrastructure deployment and validation workflows. The exam is available in English and Simplified Chinese.
The exam costs $400 USD and results are reported as pass/fail. Upon passing, candidates receive a digital badge (delivered via Credly) typically within 24 hours, along with an optional printed certificate. The certification remains valid for two years from the date of issuance, after which recertification requires retaking the current version of the exam. A minimum passing score of approximately 70% correct responses is required, though NVIDIA does not publish a specific numeric threshold.
The NCP-AII credential aligns directly with some of the most in-demand technical roles in the current AI infrastructure market, including AI Infrastructure Engineer, GPU Cluster Administrator, MLOps Engineer, HPC Systems Engineer, and Solutions Architect for AI data centers. Organizations deploying NVIDIA Hopper and Blackwell GPU clusters — including cloud providers, hyperscalers, enterprise AI teams, and HPC facilities — increasingly list NVIDIA professional certifications as a preferred or required qualification. Salary ranges for professionals in these roles typically fall between $125,000 and $175,000 at the mid-level, with senior infrastructure architects exceeding $200,000 annually in competitive markets.
Within NVIDIA's certification pathway, the NCP-AII sits at the professional tier alongside the NCP-AIO (AI Operations), with both credentials building on the associate-level NCA-AIIO foundation. The NCP-AII is specifically differentiated toward cluster build and bring-up roles, while the NCP-AIO targets ongoing operations, monitoring, and optimization. Earning the NCP-AII demonstrates a depth of hands-on capability — particularly around cluster verification with HPL and NCCL — that is difficult to demonstrate through résumé experience alone, making it a meaningful differentiator for practitioners competing for roles at organizations running large-scale AI infrastructure.
5 sample questions with answers and explanations. The full bank has 1,046 questions, enough for 16 full-length practice exams.
Preview — answers shown1. A multi-GPU workload optimization reveals that GPU-to-GPU bandwidth via NVLink is 50% lower when GPUs are under heavy compute load compared to idle GPUs. What factor explains this performance characteristic?
Explanation
GPU memory controllers must service both compute kernel memory requests and NVLink communication traffic. Under heavy compute load, memory controller arbitration may prioritize local compute operations over NVLink transfers, reducing effective NVLink bandwidth. This contention is normal behavior and can be optimized through workload scheduling that coordinates compute and communication phases.
2. A cluster administrator needs to validate that GPUDirect RDMA is functioning correctly. What error message indicates that GPUDirect is not working properly?
Explanation
The error message "Couldn't allocate MR" (Memory Region) indicates that GPUDirect RDMA is not functioning correctly. When this error appears, one solution is to disable the Scatter to CQE feature by setting the environment variable MLX5_SCATTER_TO_CQE=0. This error typically occurs when there are issues with the RDMA memory registration for GPU buffers.
3. An administrator is configuring the UFM SDK for integration with monitoring systems. Which third-party platforms does the UFM SDK provide plug-ins for?
Explanation
The NVIDIA UFM SDK offers an extensive range of third-party plug-ins designed for open-source platforms including Grafana, FluentD, Zabbix, and Slurm. These tools and plug-ins enhance developer productivity and offer efficient, user-friendly integration with the UFM REST API.
4. During capacity planning for a new DGX SuperPOD deployment, an engineer needs to calculate the InfiniBand fabric port count. A 128-node DGX H100 SuperPOD requires how many switch ports at minimum for a non-blocking 2-tier fat-tree?
Explanation
For 128 DGX H100 nodes with 8 NICs each (1024 endpoints), a non-blocking 2-tier fat-tree requires 1024 ports connecting to compute nodes on leaf switches, plus 1024 ports connecting leaf to spine. With equal uplink/downlink ratio, this doubles to 2048 ports on leaf switches (1024 down, 1024 up) and 2048 ports on spine switches (all connecting to leaf). Using 64-port NDR switches, this requires 32 leaf switches and 32 spine switches, totaling 4096 switch ports.
5. During DCGM health monitoring, an administrator notices that GPU 3 shows 'DCGM_FI_DEV_ECC_DBE_VOL_TOTAL' increasing over time. What action should be taken?
Explanation
DCGM_FI_DEV_ECC_DBE_VOL_TOTAL tracks volatile double-bit ECC errors, which are uncorrectable errors indicating memory cell failures. Unlike single-bit errors (SBE) that can be corrected by ECC, double-bit errors cause data corruption and indicate hardware degradation. Increasing DBE counts require scheduling GPU replacement to prevent computational errors in AI workloads. Resetting the GPU only clears volatile counters but does not fix the underlying hardware issue.
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