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Cisco 642-991 Exam : Cisco Data Center Unified Fabric Solutions Design (DCUFD)

642-991 actual test
  • Exam Code: 642-991
  • Exam Name: Cisco Data Center Unified Fabric Solutions Design (DCUFD)
  • Updated: Sep 12, 2026
  • Q & A: 75 Questions and Answers
  • PDF Demo
  • PC Test Engine
  • Online Test Engine
  • Total Price: $59.99  

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Cisco 642-991 Exam Syllabus Topics:

SectionObjectives
Virtualization and Compute Integration- Server virtualization impacts
  • 1. Network abstraction layers
    • 2. VM mobility considerations
      - UCS integration with fabric
      • 1. Service profiles and policies
        • 2. Compute networking design
          LAN and SAN Convergence- Unified fabric transport
          • 1. Data center bridging (DCB)
            • 2. Lossless Ethernet concepts
              - FCoE and storage networking
              • 1. Fibre Channel over Ethernet (FCoE)
                • 2. SAN design considerations
                  Switching and Fabric Technologies- FabricPath and TRILL concepts
                  • 1. Scalable Layer 2 fabrics
                    • 2. Loop-free multipathing
                      - Layer 2 and Layer 3 design
                      • 1. vPC (virtual Port Channel)
                        • 2. STP alternatives and optimization
                          Data Center Unified Fabric Architecture- Unified fabric design principles
                          • 1. Layered data center architecture
                            • 2. Scalability and redundancy concepts
                              - Cisco data center architecture components
                              • 1. Cisco UCS integration
                                • 2. Cisco Nexus switching platforms
                                  Network Services and Operations- QoS and traffic management
                                  • 1. Data center QoS policies
                                    • 2. Congestion management
                                      - Security in unified fabric
                                      • 1. Access control in data center networks
                                        • 2. Segmentation and isolation

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