Cisco 300-640

Failing the Cisco Implementing Cisco Data Center AI Infrastructure exam means paying the registration fee all over again. A set of 82 updated 300-640 practice questions from Dumpkiller costs far less than a retake — a smart investment for 2026 candidates.

Cisco 300-640 Exam Overview:

Cisco 300-640 Exam Syllabus Topics:

What Candidates Ask About the Cisco 300-640 Exam

Can you give me an overview of the 300-640 exam?

The Cisco Implementing Cisco Data Center AI Infrastructure exam (code: 300-640) is the official Cisco exam that leads to the Cisco Certified Specialist - Data Center AI Infrastructure, Cisco Certified Network Professional (CCNP) Data Center certification. It sits at the Professional level of the Cisco certification track. It is also connected with related credentials such as CCNP Data Center, Cisco Certified Specialist - Data Center AI Infrastructure. Passing it proves to employers that your skills have been validated by Cisco itself, which is why the 300-640 credential keeps showing up in job postings.

How many questions are in the 300-640 exam, and how long does it take?

The Cisco Implementing Cisco Data Center AI Infrastructure exam gives you 90 minutes to work through 55-65. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.

What score do I need to pass the 300-640 exam, and how much does it cost?

The passing score for the Cisco Implementing Cisco Data Center AI Infrastructure exam is Variable (approx. 750-850 out of 1000), and the official registration fee is USD 300. Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above Variable (approx. 750-850 out of 1000).

Are there any prerequisites for the 300-640 exam?

According to Cisco, the following applies: No formal prerequisites; recommended: knowledge of Cisco UCS, Nexus switching, and data center core technologies; 3–5 years of data center experience. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://www.cisco.com/site/us/en/learn/training-certifications/exams/dcai.html before you register.

How do I register for the 300-640 exam?

You can book your Cisco Implementing Cisco Data Center AI Infrastructure exam through the official channels below:

• Cisco Official Exam Registration

Depending on availability in your region, the exam is delivered as Online proctored or onsite at Pearson VUE test centers.

What official training does Cisco recommend for the 300-640 exam?

Cisco lists the following training options for Cisco Implementing Cisco Data Center AI Infrastructure candidates:

• Implementing Cisco Data Center AI Infrastructure (DCAI) Training
• Implementing and Operating Cisco Data Center Core Technologies (DCCOR)

Official courses build a solid foundation, and pairing them with the 82 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.

Can I try the 300-640 practice questions before buying?

Yes. Dumpkiller offers a free 300-640 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your Cisco Implementing Cisco Data Center AI Infrastructure material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the 300-640 exam, and how is my order delivered?

If you take the corresponding 300-640 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the 300-640 exam?

The official Cisco Implementing Cisco Data Center AI Infrastructure syllabus is organized into 4 main domains. The first three are AI Infrastructure Operations and Troubleshooting (20%), AI Infrastructure Deployment and Data Management (30%), and AI Infrastructure Fundamentals (20%). For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

Question #1

An engineer must monitor congestion, flow latency, and traffic drops using Cisco Nexus Dashboard and chooses to use the Traffic Analytics feature. Which Nexus Dashboard feature is automatically disabled when Traffic Analytics is enabled?

A. SNMP Traps
B. Connectivity Analysis
C. Flow Telemetry
D. Delta Analysis

Question #2

A nationwide grocery chain has deployed Unified Edge to all its locations. Each store has 10 or more surveillance cameras that write approximately 1 Gb per hour. The surveillance retention policy requires maintaining 2 weeks of recording per camera. Which type of cost-effective centralized storage solution must be evaluated with Unified Edge devices to adhere to this policy?

A. Infiniband shared storage
B. local storage
C. IP-based shared storage
D. Fibre Channel shared storage

Question #3

What is a primary behavior that occurs during the model training stage of the AI lifecycle?

A. establishing success criteria
B. embedding the model into systems with APIs
C. adjusting internal weights and biases
D. detecting model drift

Question #4

An engineer notices excessive broadcast traffic inside a legacy AI server VLAN. Which technology should be implemented to reduce flooding and improve scalability?

A. GRE tunneling
B. VXLAN EVPN
C. PAT
D. RIP

Question #5

Refer to the exhibit. Users report delayed response times and network latency when running certain AI workloads on a specific Cisco UCS Intersight Managed Mode Domain. Based on the fault message and reported symptoms, which troubleshooting action must be taken first to address the network latency issues?

A. Review the pause frame counters for signs of congestion on Fabric Interconnect B Port 11.
B. Review the AI workload configuration to optimize resource allocation (CPU, memory, GPU) for the affected applications.
C. Check the physical cabling and SFP+ transceivers on port 11 of switch B for potential hardware failures or incorrect configurations.
D. Examine the UCS fabric interconnect configuration for port-channel 11 on Fabric Interconnect B.

Solutions: