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Cisco 642-991 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Access Layer Design | 15% | - Server and storage access design - Unified fabric connectivity - Top-of-Rack and End-of-Row models |
| Design Methodology | 6% | - Characterizing existing infrastructure - Business trends and requirements - Data center design requirements |
| Data Center Architecture and Modularity | 15% | - Data center layered architecture - Modular design principles - Scalability and high availability models |
| Storage Networking Design | 12% | - SAN architecture and redundancy - FCoE, Fibre Channel, and iSCSI - Storage integration in unified fabric |
| Aggregation Layer Design | 20% | - VLAN, VRF, and virtualization - Aggregation layer features - FabricPath and OTV design |
| Core Layer Design | 18% | - Multicast and traffic engineering - Core layer characteristics and functions - Routing protocols and design |
| Security and Management Design | 14% | - Data center security framework - Access control and segmentation - Monitoring, management, and automation |
