642-991 Exam Dumps
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| Certification Provider: | Cisco |
|---|---|
| Exam Code / Number: | 642-991 |
| Exam Name: | Cisco Data Center Unified Fabric Solutions Design (DCUFD) |
| Exam Questions: | 75 |
| Last Updated: | Jul 25, 2026 |
| Corresponding Certification: | Cisco Specialist |
This exam has been stopped to register, new exam code replace: 642-996
Cisco 642-991 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Center Architecture and Modularity | 15% | - Data center layered architecture - Scalability and high availability models - Modular design principles |
| Topic 2: Access Layer Design | 15% | - Top-of-Rack and End-of-Row models - Server and storage access design - Unified fabric connectivity |
| Topic 3: Security and Management Design | 14% | - Access control and segmentation - Monitoring, management, and automation - Data center security framework |
| Topic 4: Design Methodology | 6% | - Data center design requirements - Characterizing existing infrastructure - Business trends and requirements |
| Topic 5: Storage Networking Design | 12% | - Storage integration in unified fabric - SAN architecture and redundancy - FCoE, Fibre Channel, and iSCSI |
| Topic 6: Core Layer Design | 18% | - Core layer characteristics and functions - Multicast and traffic engineering - Routing protocols and design |
| Topic 7: Aggregation Layer Design | 20% | - VLAN, VRF, and virtualization - Aggregation layer features - FabricPath and OTV design |