Dell EMC NCP-IB Exam Real Questions

Which statement accurately describes the benefits and limitations of using RDMA over Converged Ethernet (RoCE) in a data center environment?

In InfiniBand, Virtual Lanes (VLs) are used to provide logical isolation of traffic within a single physical connection. What is the maximum number of Virtual Lanes supported by the InfiniBand standard, and what is their primary purpose?

You are configuring the HCAs in your InfiniBand environment to maximize performance for a high-throughput, low-latency application. Which tuning parameter should you adjust on the HCA to reduce latency without causing packet loss?

You are tasked with setting up an HPC cluster using MPI over InfiniBand. As part of the setup, you need to ensure optimal data transfer performance between nodes. Which of the following is the most critical MPI feature for optimizing communication over InfiniBand in this context?

You notice performance degradation in your InfiniBand fabric, particularly when multiple large datasets are being transferred simultaneously. You run diagnostic tools but do not detect obvious hardware failures. Which diagnostic technique would most likely reveal the source of this issue?