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Exam NCP-AII Topic 1 Question 7 Discussion

Actual exam question for NVIDIA's NCP-AII exam
Question #: 7
Topic #: 1
You are configuring a switch port connected to a host in an NCP-AII environment. The host is running RoCEv2. To optimize performance and prevent packet loss, which flow control mechanism should you enable on the switch port?

Suggested Answer: C Vote an answer

Priority Flow Control (PFC), also known as 802.1Qbb, is the appropriate flow control mechanism for RoCEv2. RoCEv2 is a lossless Ethernet protocol, and PFC allows you to enable flow control on specific traffic classes, preventing packet loss in congested situations. By enabling PFC specifically for the traffic class carrying RoCEv2 traffic, you ensure that high-priority A1 training data is delivered reliably without being affected by congestion on other parts of the network.

by Maureen at Dec 03, 2025, 02:31 PM

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