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

642-991

Exam Code: 642-991

Exam Name: Cisco Data Center Unified Fabric Solutions Design (DCUFD)

Updated: Sep 18, 2026

Q & A: 75 Questions and Answers

642-991 Free Demo download

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Cisco 642-991 Exam Syllabus Topics:

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

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