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

  • Exam Code: 642-991
  • Exam Name: Cisco Data Center Unified Fabric Solutions Design (DCUFD)
  • Updated: Jul 27, 2026
  • Q & A: 75 Questions and Answers

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Cisco 642-991 Exam Syllabus Topics:
SectionObjectives
Topic 1: Data Center Security and Services Design- Network Services
  • 1. Firewall and service module design
    • 2. Load balancing and service integration
      - Security Design
      • 1. Access control and segmentation
        • 2. Data center security mechanisms
          Topic 2: Data Center Storage and Converged Networking- Storage Network Integration
          • 1. Unified fabric storage considerations
            • 2. SAN connectivity design
              - Fibre Channel over Ethernet (FCoE)
              • 1. FCoE architecture and design
                • 2. Data Center Bridging technologies
                  Topic 3: Data Center Network Design- Cisco Nexus Platform Design
                  • 1. Cisco Nexus 7000 and Nexus 5000 design considerations
                    • 2. Virtual Device Contexts (VDCs)
                      - Data Center Architecture
                      • 1. Layer 2 and Layer 3 data center designs
                        • 2. Data center network design principles
                          Topic 4: Unified Fabric Design- Fabric Automation
                          • 1. Cisco Dynamic Fabric Automation (DFA)
                            • 2. Unified fabric management concepts
                              - Cisco FabricPath
                              • 1. FabricPath architecture and deployment
                                • 2. Layer 2 multipathing concepts
                                  - Fabric Extender Technology
                                  • 1. Cisco FEX design models
                                    • 2. Host and network connectivity designs
                                      Topic 5: Data Center Virtualization Design- Server and Application Connectivity
                                      • 1. Virtual machine networking requirements
                                        • 2. Cisco Nexus 1000V integration
                                          - Network Virtualization
                                          • 1. Virtual Port Channels (vPC)
                                            • 2. Overlay and virtualization technologies

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