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NVIDIA NCP-AII Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: System and Server Bring-up31%- Physical infrastructure validation
  • 1. Power and cooling validation
    • 2. Storage parameter initialization
      • 3. Cable and transceiver types validation
        - Deployment and validation lifecycle
        • 1. Network topologies for AI factories
          • 2. Sequence of deployment and validation events
            - Hardware initialization and configuration
            • 1. BMC, OOB, and TPM initial configuration
              • 2. GPU server installation and validation
                • 3. Hardware validation for workloads
                  • 4. Firmware upgrades including HGX and fault detection
                    Topic 2: Control Plane Installation and Configuration19%- Drivers and toolkits
                    • 1. NVIDIA container toolkit installation
                      • 2. NVIDIA GPU and DOCA drivers installation/update
                        • 3. NGC CLI deployment
                          - GPU utilization in containers
                          • 1. Docker GPU usage validation
                            - Infrastructure software stack deployment
                            • 1. Base Command Manager (BCM) installation and HA configuration
                              • 2. Operating system installation
                                • 3. Cluster setup (Slurm, Enroot, Pyxis)
                                  Topic 3: Cluster Test and Verification33%- Network and hardware validation
                                  • 1. Firmware validation (switches, transceivers, BlueField)
                                    • 2. NVLink validation
                                      • 3. Cabling and signal verification
                                        - Cluster diagnostics
                                        • 1. Storage testing
                                          • 2. ClusterKit multi-node assessment
                                            - Performance and stress testing
                                            • 1. Cluster burn-in tests (HPL, NCCL, NeMo)
                                              • 2. Single-node stress testing
                                                • 3. HPL (High-Performance Linpack) benchmarking
                                                  • 4. NCCL communication testing
                                                    Topic 4: Physical Layer Management5%- Networking and GPU partitioning
                                                    • 1. MIG (Multi-Instance GPU) configuration
                                                      • 2. BlueField network platform configuration
                                                        Topic 5: Troubleshoot and Optimize12%- Performance optimization
                                                        • 1. Storage optimization
                                                          • 2. Server performance tuning (Intel/AMD platforms)
                                                            - Fault detection and remediation
                                                            • 1. GPU, fan, network card fault identification
                                                              • 2. Replacement of faulty hardware components

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                                                                NVIDIA AI Infrastructure Sample Questions (Q61-Q66):

                                                                NEW QUESTION # 61
                                                                During NVLink Switch configuration, you encounter issues where certain GPUs are not being recognized by the system. Which of the following troubleshooting steps are most likely to resolve this problem?

                                                                Answer: B,C,D

                                                                Explanation:
                                                                Explanation:Physical connection issues (A), BIOS configuration (B), and firmware incompatibility (C) are the most common causes of GPUs not being recognized. Reinstalling the operating system is a drastic measure that is unlikely to solve the problem. Checking the Power supply may also required to ensure the complete system have enough capacity and stability.


                                                                NEW QUESTION # 62
                                                                You are configuring a network bridge on a Linux host that will connect multiple physical network interfaces to a virtual machine. You need to ensure that the virtual machine receives an IP address via DHCP. Which of the following is the correct command sequence to create the bridge interface 'br0', add physical interfaces 'eth0' and 'eth1' to it, and bring up the bridge interface? Assume the required packages are installed. Consider using 'ip' command.

                                                                Answer: A

                                                                Explanation:
                                                                Option D is the correct sequence using the Sip' command. First, create the bridge ' bro'. Then, add the physical interfaces 'eth0 and "eth1' as slaves to the bridge. Next, bring up the physical interfaces. After that, bring up the bridge interface . Finally, use "dhclient bro to obtain an IP address for the bridge via DHCP. Option C is the old way, using 'brctr and 'ifconfig', which are deprecated. The others lack the crucial step of bringing up the bridge after attaching the physical interfaces and before running 'dhclient'.


                                                                NEW QUESTION # 63
                                                                During cluster validation, the Cable Validation Tool (CVT) reports "Underperforming (BER)" for an InfiniBand link. Which BER thresholds indicate a critical signal quality issue requiring cable replacement?

                                                                Answer: A

                                                                Explanation:
                                                                CVT marks a link as critically underperforming when the raw BER exceeds the acceptable physical-layer threshold or when the effective BER exceeds the defined long-window threshold.
                                                                These values indicate a signal integrity problem severe enough to require cable inspection and likely replacement.


                                                                NEW QUESTION # 64
                                                                During a 48-hour NeMo question-answering model burn-in test, GPU memory errors occur when processing large datasets. Which configuration strategy prevents Out-of-Memory (OOM) errors while maintaining processing efficiency?

                                                                Answer: B

                                                                Explanation:
                                                                NVIDIA NeMo and large language model (LLM) training workloads are extremely demanding onHBM (High Bandwidth Memory). Out-of-Memory (OOM) errors often occur not because the total dataset is too large, but because memory fragmentation or sudden spikes in allocation (spikes during data shuffling or batch loading) exceed the available GPU memory. To mitigate this during intensive burn-in tests, engineers utilize theRMM (RAPIDS Memory Manager)library, which provides an asynchronous allocator. Enabling RMM asynchronous allocation allows the system to pre-allocate a pool of memory and manage it more efficiently than the standard CUDA allocator, reducing the overhead of constant allocations and deallocations.
                                                                Furthermore, setting a specific blocksize (e.g., 1GB) for data loading ensures that the data ingestion pipeline reads data in manageable, deterministic chunks. This prevents the system from attempting to load massive files entirely into memory at once, which is the primary cause of OOMs in question-answering tasks involving large Parquet or JSON datasets. Switching to FP32 (Option B) would actually double the memory footprint and increase the likelihood of an OOM error.


                                                                NEW 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?

                                                                Answer: D

                                                                Explanation:
                                                                On Debian-based systems, the '/etc/network/interfaces' file is the standard location for configuring persistent network settings. Changes made to this file will be applied on each boot. Vetc/resolv.conf is for DNS settings, &/etc/hostname' sets the system's hostname, and '/etc/sysconfig/network-scripts/ifcfg-' is more commonly found on Red Hat-based systems. letc/dhcp/dhclient.conf is for DHCP settings.


                                                                NEW QUESTION # 66
                                                                ......

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