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Cisco 642-991 Exam Syllabus Topics:

SectionWeightObjectives
Data Center Architecture and Modularity15%- Data center layered architecture
- Scalability and high availability models
- Modular design principles
Storage Networking Design12%- SAN architecture and redundancy
- Storage integration in unified fabric
- FCoE, Fibre Channel, and iSCSI
Security and Management Design14%- Access control and segmentation
- Monitoring, management, and automation
- Data center security framework
Aggregation Layer Design20%- FabricPath and OTV design
- VLAN, VRF, and virtualization
- Aggregation layer features
Design Methodology6%- Characterizing existing infrastructure
- Data center design requirements
- Business trends and requirements
Access Layer Design15%- Top-of-Rack and End-of-Row models
- Server and storage access design
- Unified fabric connectivity
Core Layer Design18%- Core layer characteristics and functions
- Routing protocols and design
- Multicast and traffic engineering
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