Cisco 300-640 BY USING 300-640 EXAM QUESTIONS

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Cisco 300-640 Exam Syllabus Topics:

SectionObjectives
AI Infrastructure Deployment and Operations- Operations and lifecycle management
  • 1. Performance tuning and optimization
    • 2. Monitoring and observability
      - Deployment models
      • 1. Hybrid AI infrastructure integration
        • 2. On-premises AI clusters
          Security and Governance in AI Data Centers- Infrastructure security
          • 1. Secure access to AI workloads
            • 2. Network segmentation and policy enforcement
              Data Center AI Infrastructure Fundamentals- AI/ML workload requirements in data centers
              • 1. Compute, GPU, and acceleration concepts
                • 2. Data pipeline and workload characteristics
                  Data Center Networking for AI Workloads- Cisco Data Center networking technologies
                  • 1. Cisco ACI integration concepts
                    • 2. Cisco Nexus platform concepts
                      - High-performance fabric design
                      • 1. Leaf-spine architecture in AI environments
                        • 2. Low-latency switching and routing considerations
                          Compute and Storage for AI Infrastructure- Storage systems
                          • 1. Distributed storage concepts
                            • 2. High-throughput storage for AI training data
                              - Compute architecture
                              • 1. GPU-based compute nodes
                                • 2. HPC-style scaling considerations

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                                  Cisco 300-640 Exam Questions - Choice Of Certified Professionals [2026]

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                                  Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions (Q57-Q62):

                                  NEW QUESTION # 57
                                  Drag and Drop Question
                                  A network engineer is designing congestion management for an AI cluster using RoCEv2 transport. Based on Cisco best practices, the engineer must understand how ECN and PFC work together to provide lossless Ethernet transport. Drag and drop the congestion management mechanisms from the left onto the corresponding descriptions on the right. Not all options are used.

                                  Answer:

                                  Explanation:


                                  NEW QUESTION # 58
                                  An engineer is deploying a Cisco AI POD environment to support large-scale AI workloads. The solution must provide a software-defined storage platform with a Disaggregated Shared- Everything architecture, allow compute nodes to run on Cisco UCS C225 M8 servers managed through Cisco Intersight, and deliver exabyte-scale, all-flash performance with integrated high- speed RDMA and GPU Direct Storage capabilities. Which solution meets the requirements?

                                  Answer: D

                                  Explanation:
                                  VAST Data Universal Storage provides a software-defined, disaggregated shared-everything storage architecture designed for AI-scale workloads. It supports Cisco UCS-based deployments managed through Intersight and delivers high-performance all-flash storage with RDMA and GPU Direct Storage capabilities for large-scale AI training, fine-tuning, and inference environments.


                                  NEW QUESTION # 59
                                  Which type of Cisco Intersight profile, when deployed to fabric interconnects, includes the configuration settings for ports, VLANs, and VSANs?

                                  Answer: A

                                  Explanation:
                                  A UCS Domain profile is deployed to fabric interconnects in Cisco Intersight Managed Mode and contains the domain-level configuration, including port policies, VLANs, VSANs, network connectivity, and other fabric interconnect settings.


                                  NEW QUESTION # 60
                                  A network engineer must secure management access to Cisco Nexus AI switches. Which protocol should replace Telnet to provide encrypted administrative sessions?

                                  Answer: D

                                  Explanation:
                                  SSH provides encrypted remote management sessions and protects credentials and configuration traffic from interception. Telnet transmits data in plaintext and is unsuitable for secure AI data center environments. FTP and TFTP are file transfer protocols, while SNMPv1 lacks modern security protections.


                                  NEW QUESTION # 61
                                  An engineer deploys an AI fabric on Cisco Nexus 9000 Series Switches connected to Cisco UCS nodes with NVIDIA GPUs. The requirements call for optimal network performance for training workloads. Adaptive routing is enabled on the NICs, and per-packet load balancing is enabled on the switches. Which other configuration must be implemented for this integration to be fully operational?

                                  Answer: B

                                  Explanation:
                                  The NIC must be explicitly configured with the Cisco dynamic load-balancing setting so it recognizes that the connected Cisco Nexus fabric supports adaptive routing. This completes the integration between NIC-side adaptive routing and switch-side per-packet load balancing for optimized AI training traffic.


                                  NEW QUESTION # 62
                                  ......

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