Cisco 300-640 : Implementing Cisco Data Center AI Infrastructure

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Cisco 300-640 Exam Syllabus Topics:

Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. A company is building a network fabric for an AI training cluster that will train large language models. The cluster includes 256 GPUs distributed across 32 servers. Security requirements mandate isolation between different training projects and allowing shared access to a central storage system. Which approach provides the required security isolation and maintains optimal performance for GPU-to-GPU communication?

A) Deploy separate physical networks for each project with dedicated switches and cross-connects to shared storage.
B) Configure QoS-based traffic steering with separate DSCP markings per project and policy-based routing to shared storage.
C) Use VXLAN with separate VNIs per project and Group Policy Option to control granular access to shared storage.
D) Implement port-based VLANs for each project with router ACLs controlling storage access at the distribution layer.

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

3. Which IP-based storage transport supports flow control between directly connected devices?

A) NVMe/TCP
B) iSCSI
C) NVMe/RoCE
D) Fibre Channel

4. A server administrator must monitor the performance and utilization of GPUs in Cisco UCS servers running AI workloads. Which two metrics must be used in Cisco Intersight to accomplish these goals? (Choose two.)

A) Insights
B) GPU Memory Utilization
C) Active CPU Utilization
D) Explorer
E) Monitor

5. A network engineer logs into Nexus Dashboard and sees an anomaly showing that a BGP peer connection has gone down. Next to the anomaly, a yellow bubble displays "Correlated." What does Nexus Dashboard indicate by "Correlated" in this case?

A) It indicates that the Nexus Dashboard has correlated this anomaly to activity by specific user account.
B) It indicates that the Nexus Dashboard has seen this anomaly across more than one device in the fabric.
C) It indicates that the Nexus Dashboard has correlated the scope of the impact.
D) It indicates that this anomaly is a result of a higher-level root anomaly.

Solutions: