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Cisco 300-640 Exam Syllabus Topics:

Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

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

2. A financial company plans to deploy an AI training and inference infrastructure to support its customers. The team must use a solution that provides 96 GPUs, aligns with NVIDIA-compliant reference architectures, and enables cloud-based management of the entire on-premises network environment. Which Cisco solution meets the requirements?

A) Cisco HyperFabric AI Small AI Cluster with Cisco 6000 switches and AI servers on premises
B) Cisco Nexus Dashboard deployed in AWS or Azure with Nexus 9000 switches and AI servers on premises
C) Cisco HyperFabric AI Medium AI Cluster with Cisco 6000 switches and AI servers on premises
D) Cisco Intersight AI fabric with Nexus 9000 switches and AI servers on premises

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

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

A) SNMPv1
B) TFTP
C) FTP
D) SSH

5. Which type of Cisco Intersight profile, when deployed to fabric interconnects, includes the configuration settings for ports, VLANs, and VSANs?

A) UCS Server profiles
B) Unified Edge profiles
C) UCS Domain profiles
D) UCS Chassis profiles

Solutions: