300-640 Exam Preparation Material | Implementing Cisco Data Center AI Infrastructure (DCAI)

Prepare for the 300-640 with reliable study materials, practice questions, and key exam insights.

Prepare for the 300-640 Implementing Cisco Data Center AI Infrastructure (DCAI) exam with CertQueen's independently developed study resources. Review important concepts, practice scenario-based questions, and use clear explanations to identify areas that require further study.

Question#1

A corporate network administrator manages a HyperFabric AI environment and wants to receive email notifications about assertions in the fabric. The administrator sets up a recipient email endpoint under the notification endpoints in the controller, but notifications are not received.
Which two configurations cause the issue? (Choose two.)

A. The email server configuration is not configured using the DNS name.
B. The recipient email address is not verified by the HyperFabric controller.
C. The fabric of interest and email endpoint are not configured in the default notification policy.
D. The DNS server IP is not defined in the controller.
E. The HyperFabric controller cannot reach the email server of the Acme Corporation.

Question#2

An end customer plans to deploy an AI fabric in a new data center. Their engineers are more familiar with CLI-based networks and require the capability to automate standardized configuration templates and monitor flows for the fabric.
Which data center automation tool meets the requirements?

A. Digital Network Architecture Center
B. Intersight
C. HyperFabric
D. Nexus Dashboard

Question#3

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?

A. NetApp All-Flash FAS (AFF)
B. Pure Storage FlashBlade
C. Local NVMe SSDs within each GPU server
D. VAST Data Universal Storage

Question#4

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: Immediate Processor Package Power Limit (PPL): Maximum
B. Power Profiling: On Power Priority: High Power Restore: Always On Processor Package Power Limit (PPL): Default
C. Power Profiling: On Power Priority: Default Power Restore: Always On Processor Package Power Limit (PPL): Default
D. Power Profiling: On Power Priority: High Power Restore: Immediate Processor Package Power Limit (PPL): Maximum

Question#5

How does RAG enhance the capabilities of LLMs?

A. by removing the data preparation and cleaning step
B. by removing inherent biases from LLM outputs
C. by providing access to proprietary data
D. by retaining the LLM by altering its core parameters

Exam Code: 300-640
Q & A: 60 Q&As         Updated:  Oct 26,2026

 

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What This 300-640 Study Resource Helps You Do

Review Key Concepts

Review the technologies, products, processes, and practical skills covered by the current 300-640 exam objectives.

Practice Scenario-Based Questions

Work through independently developed questions designed to strengthen your understanding of technical scenarios and decision-making.

Identify Knowledge Gaps

Use your results and the provided explanations to find weaker areas and focus your study more effectively.

How to Use This 300-640 Preparation Material

Review the Exam Scope

Start by reviewing the topics covered by the 300-640 exam. Compare them with the official exam objectives to understand the required technologies, operational tasks, and practical skills, then identify the areas that deserve the most attention.

Practice Independently

Complete a focused set of practice questions for each topic. On your first attempt, avoid referring to notes, answers, or other study resources so that you can evaluate your current understanding more accurately.

Study the Explanations

Review the answers and explanations after completing each practice session. Understand why the correct option is appropriate for the given scenario and why the other options may be incorrect or less suitable.

Close Knowledge Gaps

Keep track of incorrect answers, unfamiliar concepts, and weaker knowledge areas. Review these topics using official documentation and practical experience, then answer the related questions again to reinforce your understanding and monitor your progress.

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Exam Code: 300-640
Q & A: 60 Q&As
Updated:  Oct 26,2026

 

 Access Complete 300-640 Preparation Material