Try Cisco : 300-640 valid & accurate questions and answers
Updated: Sep 10, 2026
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Cisco 300-640 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Implementing Cisco Data Center AI Infrastructure |
| Exam Number: | 300-640 DCAI |
| Exam Price: | USD 300 |
| Passing Score: | Variable (approx. 750-850 out of 1000) |
| Exam Format: | Simulation, Drag and drop, Multiple select, Multiple choice |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 55-65 |
| Related Certifications: | CCNP Data Center Cisco Certified Specialist - Data Center AI Infrastructure |
| Recommended Training: | Implementing Cisco Data Center AI Infrastructure (DCAI) Training Implementing and Operating Cisco Data Center Core Technologies (DCCOR) |
| Exam Registration: | Cisco Official Exam Registration |
| Sample Questions: | Cisco 300-640 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No formal prerequisites; recommended: knowledge of Cisco UCS, Nexus switching, and data center core technologies; 3–5 years of data center experience |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/exams/dcai.html |
Cisco 300-640 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| AI Infrastructure Operations and Troubleshooting | 20% | - Monitor infrastructure: Nexus Dashboard, Intersight, telemetry, alerts - Troubleshoot network, compute, storage, and orchestration issues - Implement performance benchmarking and validation - Manage health, logs, and events - Optimize performance, security, and reliability |
| AI Infrastructure Deployment and Data Management | 30% | - Implement data management and lifecycle for AI workloads - Configure high-performance networks for AI: Cisco Nexus, NDFC, lossless fabrics - Integrate AI frameworks and applications with Cisco infrastructure - Configure compute and storage using Cisco UCS: profiles, policies, Intersight - Deploy and manage AI infrastructure with orchestration tools |
| AI Infrastructure Fundamentals | 20% | - Describe AI and machine learning concepts - Describe types of AI infrastructure: on-premises, cloud, hybrid, edge - Describe AI use cases in data center environments - Describe core components of AI infrastructure: network, compute, storage, orchestration, monitoring - Explain Cisco AI infrastructure solutions and portfolio |
| AI Infrastructure Components and Architecture | 30% | - Evaluate compute requirements: CPU, GPU, NVLink, virtualization, containerization, scalability - Evaluate hybrid and multi-cloud AI integration - Evaluate storage requirements: capacity, performance, data pipelines, distributed architectures - Evaluate power, cooling, and efficiency requirements - Evaluate network requirements for AI workloads: bandwidth, latency, congestion control, RoCEv2, QoS |
Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:
Question 1
An engineer configures Cisco Nexus Dashboard Fabric Controller for AI infrastructure automation. The company wants centralized policy management and simplified fabric provisioning across multiple pods. Which capability provides this benefit?
A. Distributed ACL processing
B. Intent-based fabric automation
C. Local VLAN switching
D. Manual CLI consistency checks
Question 2
A network engineer must secure management access to Cisco Nexus AI switches. Which protocol should replace Telnet to provide encrypted administrative sessions?
A. SSH
B. TFTP
C. FTP
D. SNMPv1
Question 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 device connector.
B. Install UCS PCI Mezzanine cards in X-Series blades.
C. Disconnect cabling between IFMs and fabric interconnects.
D. Power down all blades that would connect to the X-Fabric modules.
E. Power down all IFMs in the chassis.
Question 4
An administrator configures VXLAN EVPN in a Cisco AI data center fabric. The requirement is to provide Layer 2 adjacency across multiple leaf switches while maintaining scalable control-plane learning. Which protocol fulfills this function?
A. BGP EVPN
B. OSPF
C. STP
D. HSRP
Question 5
A network architect wants to provide high availability for AI compute nodes connected to dual Cisco Nexus switches. Which technology enables active-active uplink forwarding without STP blocking?
A. PVST+
B. GLBP
C. vPC
D. VRRP
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: B,D | Question 4 Answer: A | Question 5 Answer: C |
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