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Cisco 642-974

642-974

Exam Code: 642-974

Exam Name: Data Center Networking Infrastructure Support Specialist

Updated: Aug 16, 2026

Q&A Number: 138 Q&As

642-974 Free Demo download:

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Cisco 642-974 Exam Syllabus Topics:

SectionObjectives
Topic 1: Data Center Troubleshooting and Operations- Fault isolation and performance analysis
  • 1. Monitoring and logging practices
    • 2. Identifying latency and congestion issues
      - Network troubleshooting methodologies
      • 1. Layered troubleshooting approach
        • 2. Diagnostic tools and commands
          Topic 2: Cisco Nexus Switching Platforms- Advanced switching features
          • 1. Virtual Port Channels (vPC)
            • 2. High availability mechanisms
              - NX-OS operations and management
              • 1. CLI operations and configuration basics
                • 2. Software upgrades and system maintenance
                  Topic 3: Storage Networking- FCoE and converged networks
                  • 1. Fibre Channel over Ethernet concepts
                    • 2. Convergence of LAN and SAN traffic
                      - Fibre Channel fundamentals
                      • 1. Zoning and VSAN concepts
                        • 2. SAN architecture and components
                          Topic 4: Data Center Security and Services- Network security fundamentals
                          • 1. Control plane protection
                            • 2. Access control and segmentation
                              - Data center service integration
                              • 1. High availability service design
                                • 2. Load balancing concepts
                                  Topic 5: Data Center Networking Fundamentals- Layer 2 / Layer 3 switching concepts in data center environments
                                  • 1. VLANs, trunks, and STP in data centers
                                    • 2. Routing protocols and basic IP services
                                      - Data center architecture principles
                                      • 1. Core, aggregation, and access layer design
                                        • 2. Scalability and redundancy concepts

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