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Cisco 300-640 Exam Syllabus Topics:

Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. A network operations team deploys HyperFabric AI and wants to monitor fabric health to proactively identify performance issues. The team must track metrics specifically relevant to AI training workloads. Which metric is most critical for identifying congestion issues that could impact AI training performance in a HyperFabric AI deployment?

A) VXLAN tunnel packet encapsulation rate
B) PFC pause frame transmission rate per interface
C) spanning tree topology change notifications
D) BGP EVPN route count per leaf switch

2. Drag and Drop Question

Refer to the exhibit. When a new AI backend network that supports Cisco UCS-based GPU servers with NVIDIA Connect-X network adapters is benchmarked, the traffic distribution observed has unacceptable variability across the interfaces. Drag and drop the code snippets from the bottom onto the boxes in the code to configure the switch to resolve the issue.

3. A network architect designs a Cisco AI fabric with spine-leaf topology. What is the primary advantage of this architecture for AI training workloads?

A) Simplified wireless integration
B) Elimination of routing protocols
C) Predictable low-latency east-west traffic
D) Reduced need for IP addressing

4. A network team is configuring quality of service (QoS) for RoCEv2 traffic on a VXLAN fabric. The team must ensure that congestion notification packets (CNP) generated by storage targets are never dropped in the network, as these packets are critical for congestion control feedback. How must CNP packets be handled in the QoS configuration to ensure reliable delivery?

A) Enable Priority Flow Control specifically for CNP packets on a dedicated CoS value.
B) Configure CNP packets to use the same queue as regular RoCEv2 data traffic.
C) Apply traffic shaping to CNP packets to prevent them from causing additional congestion.
D) Classify CNP packets to a high-priority queue using their DSCP marking.

5. How does RAG enhance the capabilities of LLMs?

A) by providing access to proprietary data
B) by removing inherent biases from LLM outputs
C) by removing the data preparation and cleaning step
D) by retaining the LLM by altering its core parameters

Solutions: