Get NVIDIA NCP-AIO Exam Practice Questions - Real and Updated

Answer : A

Comprehensive and Detailed Explanation From Exact Extract:

To verify the optimal communication path and diagnose issues between two nodes in an InfiniBand fabric, the ibtracert command is used. It traces the route that InfiniBand packets take through the fabric, identifying each hop and any potential bottlenecks or faulty links along the path.

ibstatus provides status information about local InfiniBand devices and ports.

ibping tests connectivity and latency between nodes.

ibnetdiscover discovers and prints the topology of the InfiniBand fabric but does not trace specific paths.

Therefore, ibtracert is the appropriate tool for path optimization verification between two compute nodes.

Answer : C

Comprehensive and Detailed Explanation From Exact Extract:

NVIDIA Fleet Command is the platform designed specifically to optimize and manage the deployment and delivery of AI applications at the edge. It enables secure and scalable orchestration of AI workloads across distributed edge devices, providing lifecycle management, remote monitoring, and updates. Fleet Command facilitates running AI applications closer to where data is generated (edge), improving latency and operational efficiency.

Base Command Platform and Base Command Manager primarily target data center and AI cluster management for configuration, monitoring, and troubleshooting.

NetQ is focused on network telemetry and network state monitoring rather than application delivery.

Therefore, for AI application delivery and optimization at the edge, Fleet Command is the recommended NVIDIA platform.

Answer : C

Comprehensive and Detailed Explanation From Exact Extract:

A heartbeat network is a common technique used in HA clusters to continuously monitor the health and availability of cluster nodes. It allows nodes to detect failures and coordinate failover actions, thus preventing split-brain scenarios where multiple nodes believe they are active simultaneously, causing data corruption or conflicts. Manual failover, load balancers, or data replication alone do not prevent split-brain without this monitoring mechanism.

Answer : B, D

Comprehensive and Detailed Explanation From Exact Extract:

GPUDirect Storage allows data to be transferred directly from storage to GPU memory, bypassing the CPU and system memory. This reduces latency and overhead by avoiding data movement through the CPU and main memory, accelerating data feeding to GPUs for AI workloads. PCIe and NIC are still involved in the data path, and the DPU may participate depending on architecture but are not the primary bottlenecks avoided by GPUDirect Storage.

Answer : B

Comprehensive and Detailed Explanation From Exact Extract:

The Slurm command scontrol show job <jobid> provides detailed information about a specific job, including its current status and, crucially, the reason why a job might be pending. This command shows job details such as resource requirements, dependencies, and any issues blocking the job from running.

sinfo -R displays information about nodes and their reasons for being in various states but does not provide job-specific reasons.

sacct -j shows accounting data for jobs but typically does not explain pending causes.

squeue -u lists jobs by user but does not detail the pending reasons.

Hence, scontrol show job <jobid> is the appropriate command to diagnose why a Slurm job remains in the pending state.