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Instant Download Cisco : 300-640 Questions & Answers as PDF & Test Engine
- Exam Code: 300-640
- Exam Name: Implementing Cisco Data Center AI Infrastructure
- Updated: Jun 16, 2026
- No. of Questions: 82 Questions and Answers
- Download Limit: Unlimited
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Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:
1. A data center team enables jumbo frames in a Cisco AI cluster. What is the primary benefit of increasing the MTU for east-west GPU traffic?
A) Elimination of packet buffering
B) Reduced Layer 3 convergence time
C) Lower CPU utilization and fewer frames
D) Increased encryption overhead
2. A global enterprise is deploying a new AI-driven analytics platform that requires high-performance GPU acceleration, large memory capacity, and robust virtualization support. The compute and GPU resources selected must provide direct GPU to GPU access leveraging NVLink technology.
Which set of products meets the requirements?
A) UCS C240 M8 with NVIDIA L40 GPU
B) UCS C885A M8 with NVIDIA H200 GPU
C) UCS C845A M8 with AMD MI210 GPU
D) UCS C220 M8 with NVIDIA A16 GPU
3. 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?
A) Set the cisco_dlb=1 option in the NIC configuration so the NIC knows it can use adaptive routing.
B) Include switch configuration "hardware profile spectrum-x" in global configuration mode.
C) Include matching statements in your QoS policy so the switch knows which incoming packets to load balance.
D) Add the "adaptive-routing" keyword under the switch load balancing configuration.
4. What is a primary behavior that occurs during the model training stage of the AI lifecycle?
A) adjusting internal weights and biases
B) embedding the model into systems with APIs
C) establishing success criteria
D) detecting model drift
5. A data center facility experienced a power outage, and the UCS X-Series servers did not restart automatically when power is restored. The configuration must be updated to prioritize these servers to boot as soon as possible to resume their work. Which set of power policy configurations must be used to meet these requirements?
A) Power Profiling: On
Power Priority: Default
Power Restore: Always On
Processor Package Power Limit(PPL): Default
B) Power Profiling: On
Power Priority: High
Power Restore: Immediate
Processor Package Power Limit(PPL): Maximum
C) Power Profiling: On
Power Priority: High
Power Restore: Always On
Processor Package Power Limit(PPL): Default
D) Power Profiling: On
Power Priority: Default
Power Restore: Immediate
Processor Package Power Limit(PPL): Maximum
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: C |
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