Study with 300-640 Actual Test Questions
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Updated: Oct 23, 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) |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Cisco Certified Specialist - Data Center AI Infrastructure CCNP Data Center |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 55-65 |
| Exam Format: | Drag and drop, Multiple choice, Multiple select, Simulation |
| Recommended Training: | Implementing and Operating Cisco Data Center Core Technologies (DCCOR) Implementing Cisco Data Center AI Infrastructure (DCAI) Training |
| 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 Deployment and Data Management | 30% | - Implement data management and lifecycle for AI workloads - Configure compute and storage using Cisco UCS: profiles, policies, Intersight - Integrate AI frameworks and applications with Cisco infrastructure - Configure high-performance networks for AI: Cisco Nexus, NDFC, lossless fabrics - Deploy and manage AI infrastructure with orchestration tools |
| AI Infrastructure Operations and Troubleshooting | 20% | - Optimize performance, security, and reliability - Implement performance benchmarking and validation - Monitor infrastructure: Nexus Dashboard, Intersight, telemetry, alerts - Troubleshoot network, compute, storage, and orchestration issues - Manage health, logs, and events |
| AI Infrastructure Fundamentals | 20% | - Explain Cisco AI infrastructure solutions and portfolio - Describe core components of AI infrastructure: network, compute, storage, orchestration, monitoring - Describe types of AI infrastructure: on-premises, cloud, hybrid, edge - Describe AI use cases in data center environments - Describe AI and machine learning concepts |
| AI Infrastructure Components and Architecture | 30% | - Evaluate network requirements for AI workloads: bandwidth, latency, congestion control, RoCEv2, QoS - Evaluate compute requirements: CPU, GPU, NVLink, virtualization, containerization, scalability - Evaluate hybrid and multi-cloud AI integration - Evaluate power, cooling, and efficiency requirements - Evaluate storage requirements: capacity, performance, data pipelines, distributed architectures |
Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:
A Cisco AI cluster requires segmentation between multiple research teams sharing the same physical infrastructure. Which solution provides scalable tenant isolation?
- A. VLAN-only design
- B. VXLAN overlays
- C. Static NAT
- D. Hub-and-spoke WAN
Correct Answer: B 🗳️
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Server administrators receive reports of power utilization being near capacity across multiple UCS X-Series servers in the data center after a hardware upgrade. The chassis operates with six power supply units in redundant power mode. How can the administrator use additional power without impacting redundancy?
- A. Implement a power capping policy.
- B. Disable extended power capacity.
- C. Enable extended power capacity.
- D. Add more power supplies.
Correct Answer: C 🗳️
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A network architect designs connectivity for a new Cisco AI POD operating in Intersight Managed Mode. To ensure high availability and aggregate bandwidth for external network traffic, a port channel must be established using multiple 100 GbE uplink ports on the fabric interconnects to connect to the upstream core switch infrastructure. Which specific policy, applied through the domain profile, must be modified to define and configure this port channel on the fabric interconnects for the desired uplink connectivity?
- A. network connectivity policy
- B. LAN connectivity policy
- C. port policy
- D. Ethernet network group
Correct Answer: C 🗳️
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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. HSRP
- B. BGP EVPN
- C. OSPF
- D. STP
Correct Answer: B 🗳️
Which IP-based storage transport supports flow control between directly connected devices?
- A. Fibre Channel
- B. NVMe/RoCE
- C. NVMe/TCP
- D. iSCSI
Correct Answer: B 🗳️
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