Question 1
Which transport protocol is required for RoCEv2 to operate correctly over a lossless Ethernet fabric?
Correct Answer:
UDP
Question 2
In a BGP-EVPN VXLAN fabric, which BGP address family is used to carry MAC/IP advertisement routes?
Correct Answer:
L2VPN EVPN
Question 3
What is the primary function of the Nexus 9000 series leaf switch in an AI pod Clos fabric?
Correct Answer:
Provide ToR connectivity for compute nodes
Question 4
Which congestion control mechanism is commonly deployed in RoCEv2 AI fabrics to prevent buffer overflow without relying solely on PFC?
Correct Answer:
DCQCN
Question 5
In an AI GPU cluster, which network tier is responsible for the high-bandwidth collective communication between GPUs?
Correct Answer:
High-performance compute fabric
Question 1
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About this Exam

Prepare with the 300-640 DCAI Practice Questions - Implementing Cisco Data Center AI Infrastructure (DCAI 300-640) Exam practice quiz. This question bank includes 100 questions covering fabric, nexus, cisco, rocev2, and vxlan. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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300-640 DCAI Practice Questions - Implementing Cisco Data Center AI Infrastructure (DCAI 300-640) Exam

This practice set contains 100 questions from the matching question bank and focuses on fabric, nexus, cisco, rocev2, and vxlan. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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