Free NCA-AIIO Exam Braindumps
AI Infrastructure and Operations Questions 21–25 (page: 6)

Updated On: 1-Sep-2026

Which are three key features of InfiniBand networking technology?

  1. High reliability, high latency, and CPU offloads.
  2. High latency, high reliability, and high bandwidth.
  3. GPU offloads, low latency, high reliability.
  4. Low latency, high bandwidth, and CPU offloads.

Answer(s): D

Explanation:

InfiniBand delivers microsecond-class, low latency; multi-100 Gb/s (and beyond) high bandwidth; and offloads transport work (via RDMA) from the CPU, maximizing system efficiency.



An IT Professional is considering whether to implement an on-prem or cloud infrastructure.
Which of the following is a key advantage of on-prem infrastructure?

  1. Lower upfront costs and capital expenditure
  2. Scalability and flexibility
  3. Ensure data security and sovereignty
  4. Easy remote management.

Answer(s): C

Explanation:

On-premises deployments give organizations direct control over their hardware and data, making it easier to meet strict security, compliance, and sovereignty requirements.



Which feature of RDMA reduces CPU utilization and lowers latency?

  1. Increased memory buffer size.
  2. Network adapters that include hardware offloading.
  3. NVIDIA Magnum I/O software.

Answer(s): B

Explanation:

RDMA-capable network adapters offload data transfer tasks into the NIC hardware, bypassing the CPU for memory copies and transport operations - thereby reducing CPU utilization and achieving lower latency.



What is one key advantage that Cloud GPU Infrastructure has over On-Prem GPU infrastructure?

  1. Lower cost barrier to entry.
  2. Reduced cost of I/O traffic.
  3. Greater flexibility for hardware orchestration.

Answer(s): A

Explanation:

Cloud GPU offerings eliminate large capital expenditures by letting you pay-as-you-go, significantly lowering the cost barrier to getting started with high-performance GPU compute.



When training a neural network, what is the most common pattern of storage access?

  1. Random write
  2. Sequential read
  3. Sequential write

Answer(s): B

Explanation:

Training pipelines stream large datasets from storage in order, resulting in predominantly sequential read access patterns. This maximizes throughput and minimizes seek overhead during data ingestion.



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