Exam NCP-AIO Topic 3 Question 3 Discussion

Actual exam question for NVIDIA's NCP-AIO exam
Question #: 3
Topic #: 3
You are tasked with designing a data center network for AI workloads that must support both RDMA over Converged Ethernet (RoCEv2) and traditional TCP/IP traffic. How should you configure the network to ensure optimal performance for both types of traffic?

Suggested Answer: B Vote an answer

RoCEv2 is sensitive to packet loss and congestion. PFC and ECN are essential mechanisms to ensure reliable and high- performance RoCEv2 communication on a converged Ethernet network. Disabling QOS treats all traffic equally, which can starve RoCEv2. Using separate networks adds complexity and cost. Default settings are unlikely to be optimized for RoCEv2. PFC prevents packet loss due to congestion, and ECN provides feedback to sources to slow down before congestion occurs. Large MTUs are beneficial for both but not the primary config.

by Augus at Mar 28, 2026, 05:24 PM

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