Download Cisco : 300-640 Questions & Answers as PDF & Test Software
Updated: Jun 03, 2026
No. of Questions: 82 Questions & Answers with Testing Engine
Download Limit: Unlimited
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Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:
1. Which network design approach should be used to build a high-performance, nonblocking AI/ML data center fabric that supports 64 fully equipped UCS C885A nodes and provides the lowest possible latency and lossless Ethernet?
A) rail optimized
B) traditional three-tier
C) flat Layer 2
D) leaf-spine
2. A data center operator configures telemetry streaming on Cisco Nexus switches. What is the primary operational advantage over traditional SNMP polling?
A) Elimination of routing tables
B) Real-time visibility with lower overhead
C) Mandatory hardware replacement
D) Increased packet fragmentation
3. To support growing AI workload requirements, a regional medical practice is adding new X9516 X-Fabric module, UCS PCI Mezz cards, and UCS X580p PCIe nodes to their existing X-Series chassis. Which two administrative actions must be taken before the X-Fabric module is added to the chassis? (Choose two.)
A) Disconnect cabling between IFMs and fabric interconnects.
B) Disconnect device connector.
C) Power down all IFMs in the chassis.
D) Install UCS PCI Mezzanine cards in X-Series blades.
E) Power down all blades that would connect to the X-Fabric modules.
4. A company deploys a Cisco UCS environment to host AI inferencing workloads that demand low latency, high throughput, and efficient resource utilization. Which set of actions must be taken to deploy a high-performance fabric within the Cisco UCS infrastructure?
A) Use a single Cisco Fabric Interconnect in a standalone configuration.
Connect all UCS servers directly to it using 10 Gb Ethernet.
B) Connect UCS servers to a Cisco Nexus 3000 Series Switch using 100 Gb Ethernet.
Configure a separate management network using a dedicated Cisco Catalyst switch.
C) Deploy a Cisco MDS 9000 Series Switch for Fibre Channel connectivity to storage.
Use a Cisco Fabric Interconnect for management traffic only.
D) Implement a dual-fabric design with two Cisco Fabric Interconnects, and use 100 Gb Ethernet for server-to-fabric connectivity.
Configuring port channels for uplink connections.
5. 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) Implement port-based VLANs for each project with router ACLs controlling storage access at the distribution layer.
D) Deploy separate physical networks for each project with dedicated switches and cross-connects to shared storage.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: D,E | Question # 4 Answer: D | Question # 5 Answer: B |
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