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NVIDIA NCP-AII Exam Syllabus Topics:

Section	Weight	Objectives
Troubleshoot and Optimize	12%	- Fault detection and remediation 1. GPU, fan, network card fault identification 2. Replacement of faulty hardware components - Performance optimization 1. Server performance tuning (Intel/AMD platforms) 2. Storage optimization
Cluster Test and Verification	33%	- Performance and stress testing 1. Single-node stress testing 2. NCCL communication testing 3. HPL (High-Performance Linpack) benchmarking 4. Cluster burn-in tests (HPL, NCCL, NeMo) - Cluster diagnostics 1. ClusterKit multi-node assessment 2. Storage testing - Network and hardware validation 1. Cabling and signal verification 2. NVLink validation 3. Firmware validation (switches, transceivers, BlueField)
Physical Layer Management	5%	- Networking and GPU partitioning 1. MIG (Multi-Instance GPU) configuration 2. BlueField network platform configuration
Control Plane Installation and Configuration	19%	- 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. Cluster setup (Slurm, Enroot, Pyxis) 3. Operating system installation
System and Server Bring-up	31%	- Hardware initialization and configuration 1. BMC, OOB, and TPM initial configuration 2. Hardware validation for workloads 3. Firmware upgrades including HGX and fault detection 4. GPU server installation and validation - Deployment and validation lifecycle 1. Network topologies for AI factories 2. Sequence of deployment and validation events - Physical infrastructure validation 1. Power and cooling validation 2. Cable and transceiver types validation 3. Storage parameter initialization

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NVIDIA AI Infrastructure Sample Questions (Q122-Q127):

NEW QUESTION # 122
A system administrator is installing a GPU into a server and needs to avoid damaging the device. What item should be used?

A. Anti-ESD strap
B. Gloves
C. Protective film
D. Electric screwdriver

Answer: A

Explanation:
High-performance NVIDIA GPUs, such as the H100 or A100, are highly sensitive toElectrostatic Discharge (ESD). A static spark that a human cannot even feel (less than 3,000 volts) is enough to permanently damage the microscopic circuits within the GPU die or the HBM (High Bandwidth Memory) modules. AnAnti-ESD strap(or wrist strap) is the mandatory safety item for any technician handling internal server components. It works by grounding the technician, ensuring that any static charge built up on their body is safely dissipated before they touch the hardware. While gloves (Option B) might protect against sharp edges, they do not prevent ESD unless they are specifically rated as ESD-safe. Using an electric screwdriver (Option D) is generally discouraged for sensitive components to prevent over-tightening or mechanical stress. Therefore, an ESD strap is the single most critical tool for preventing "Infant Mortality" of expensive AI hardware during physical installation.

NEW QUESTION # 123
You are tasked with configuring an NVIDIAA100 GPU for a multi-tenant environment using MIG. The goal is to provide the following MIG configuration:

A. 14/0/0/0/0/0/0
B. 0/1 /2/3/4/5/6
C. 6/0/0/0/0/0/0
D. 7/0/0/0/0/0/0
E. 1/1/1/1/1/1/1

Answer: B

Explanation:
The question specifies that you need the configuration that allows 7x1g.10gb instances and one 7g.80gb. The format is num_1g/num_2g/num_3g/num_4g/num_7g/num_10g/num_20g/num_40g. In the provided configuration, 0/1/2/3/4/5/6 means one 7g, then we need the instances.

NEW QUESTION # 124
An AI server utilizes a QSFP28 transceiver with MPO connector. During troubleshooting, you suspect a faulty transceiver. Which steps are most important to perform when physically inspecting and testing the transceiver?

A. Verify the transceiver's DOM (Digital Optical Monitoring) information, clean the connector end-face with a dry cloth, and perform a ping test.
B. Visually inspect the connector for damage, clean the connector end-face with an appropriate fiber optic cleaning tool, and verify the transceiver's DOM (Digital Optical Monitoring) information, particularly TX power, RX power, and temperature.
C. Visually inspect the connector for damage, clean the connector end-face with an appropriate fiber optic cleaning tool, and perform an Optical Time Domain Reflectometer (OTDR) test.
D. Examine the transceiver's EEPROM data, measure the supply voltage with a multimeter, and perform a link speed auto-negotiation test.
E. Check the transceiver's firmware version, measure the transceiver's temperature using an infrared thermometer, and perform a bit error rate test (BERT).

Answer: B

Explanation:
The MOST important steps involve visual inspection for damage, cleaning the connector to ensure a good optical connection, and verifying DOM information to assess the transceivers health and signal levels. OTDR is more suited for cable diagnosis. While firmware and voltage are relevant, the DOM provides immediate health indicators.

NEW QUESTION # 125
An engineer is tasked with configuring Out-of-Band management for a DGX BasePOD deployment. Which network design will best ensure secure and reliable Out-of-Band management operations?

A. Configure Out-of-Band management interfaces to be accessible from any subnet within the data center for maximum flexibility.
B. Connect Out-of-Band management ports to the same switch as user traffic for easier troubleshooting.
C. Use a single VLAN for both Out-of-Band management and compute fabric to simplify network design.
D. Place all BMC and management interfaces on an isolated Out-of-Band network with access restricted by firewall rules.

Answer: D

Explanation:
The best design is to place all BMC and management interfaces on an isolated Out-of-Band network with access restricted by firewall rules. Out-of-Band management provides administrative access for hardware monitoring, remote console, power operations, firmware maintenance, and recovery actions even when the host operating system or production network is unavailable. Because BMC interfaces are powerful administrative control points, they should not share the same network as user traffic or the high-performance compute fabric. NVIDIA DGX guidance recommends restricting IPMI or BMC ports to an isolated, dedicated management network, using a separate firewalled subnet, or using a separate VLAN for BMC traffic when a dedicated network is unavailable. Allowing access from any subnet increases the attack surface and weakens operational security. Sharing the same switch or VLAN as production traffic can also expose management interfaces to congestion or unauthorized access. A dedicated OOB network improves security, reliability, and serviceability for DGX BasePOD operations.

NEW QUESTION # 126
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?

A. Effective BER > 0 during the first 125 minutes of link operation
B. Rx power variance > 3dB between lanes
C. Temperature > 85 °C on transceiver module
D. Raw BER > 1e-6 or Effective BER> 1.5E-254 for ≤6hr measurements

Answer: D

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 # 127
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