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Cisco 300-640 Exam Syllabus Topics:

Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. An organization deploys Cisco Nexus switches supporting RoCEv2 traffic. Which QoS behavior is most critical to maintain reliable GPU communication?

A) Strict packet fragmentation
B) Low-latency lossless transport
C) Randomized path selection
D) Best-effort forwarding

2. A network architect designs connectivity for a new Cisco AI POD operating in Intersight Managed Mode. To ensure high availability and aggregate bandwidth for external network traffic, a port channel must be established using multiple 100 GbE uplink ports on the fabric interconnects to connect to the upstream core switch infrastructure. Which specific policy, applied through the domain profile, must be modified to define and configure this port channel on the fabric interconnects for the desired uplink connectivity?

A) LAN connectivity policy
B) port policy
C) Ethernet network group
D) network connectivity policy

3. A data center is deploying an AI infrastructure for LLM training and model inference. This infrastructure requires high GPU density, low-latency interconnects, and the ability to scale compute resources. When considering the Cisco UCS C885A M8 Rack Server for the deployment, which design aspect is the most critical for achieving optimal performance and scalability in this environment?

A) using the maximum number of CPU cores to support the virtualization overhead
B) selecting the appropriate Nexus Fabric and its configuration to minimize latency
C) configuring the server with the minimum amount of RAM to reduce initial costs
D) implementing a redundant power supply configuration to ensure high availability

4. Which components are part of the HyperFabric AI solution?

A) combination of Cisco networking hardware and software-defined storage designed for AI scalability
B) Cisco UCS servers combined with high-speed networking switches and third-party storage
C) Cisco UCS servers with NVIDIA GPUs, switches, optional VAST Data Storage and cloud- managed networking
D) integrated compute and networking hardware optimized for AI workloads, with optional cloud management

5. Refer to the exhibit. Users report delayed response times and network latency when running certain AI workloads on a specific Cisco UCS Intersight Managed Mode Domain. Based on the fault message and reported symptoms, which troubleshooting action must be taken first to address the network latency issues?

A) Examine the UCS fabric interconnect configuration for port-channel 11 on Fabric Interconnect B.
B) Check the physical cabling and SFP+ transceivers on port 11 of switch B for potential hardware failures or incorrect configurations.
C) Review the pause frame counters for signs of congestion on Fabric Interconnect B Port 11.
D) Review the AI workload configuration to optimize resource allocation (CPU, memory, GPU) for the affected applications.

Solutions: